Percentage between two numbers

  • MHB
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In summary, the conversation discusses finding a number that is a certain percentage between two given numbers. The formula used is (x1 + x2) / 2 for 50% and then (x1 + x_p) / 2 for 75%. However, this formula only works for certain percentages and may not be efficient. A better formula is x_p = x1 + p(x2 - x1), where p represents the desired percentage. This formula can be used to find any percentage between two given numbers.
  • #1
xNICK1
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Hey, So I need to know what number is 75% between 2 lines? Line 1 = 124.464 and Line 2 = 124.444. Currently I use
Line 1 + Line 2 / 2 = 50% or (124.454) Then (124.454 + Line 1) / 2 = 75% or (124.459). Is there a easier or better way to get these results, cause this formula can't get percents like 60% or 40%.
PS: Wasn't sure what topic to put this under, first time here.
Thank you for your time and help!
 
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  • #2
Suppose you have two real numbers \(x_1\) and \(x_2\) with \(x_1<x_2\). And we want to find a third number \(x_p\) that is a part \(p\) (where \(0\le p\le1\)) of the distance from \(x_1\) to \(x_2\). Then I would use:

\(\displaystyle x_p=x_1+p(x_2-x_1)\)

Does that make sense?
 
  • #3
Yes! Thats exactly what I needed! Thank you so much! I’ve been out of school for too many years now. Haha.
 

FAQ: Percentage between two numbers

What is the formula for finding the percentage between two numbers?

The formula for finding the percentage between two numbers is (y/x) x 100, where x is the smaller number and y is the larger number.

How do I calculate the percentage increase or decrease between two numbers?

To calculate the percentage increase or decrease between two numbers, you can use the formula [(y-x)/x] x 100, where x is the original number and y is the new number.

Can I use a calculator to find the percentage between two numbers?

Yes, most calculators have a percentage function that can be used to find the percentage between two numbers. However, it is important to understand the formula and how to manually calculate percentages in case the calculator is not available.

How do I convert a decimal into a percentage?

To convert a decimal into a percentage, you can multiply the decimal by 100. For example, 0.75 would be 0.75 x 100 = 75%. This can also be done by moving the decimal point two places to the right.

What is the difference between percentage and percentage points?

Percentage and percentage points are often used interchangeably, but they have different meanings. Percentage is a proportion or ratio expressed as a fraction of 100, while percentage points refer to the difference between two percentages. For example, if a stock increases by 5%, it has gone up by 5 percentage points.

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