When you ask "What number is halfway between 21 and 318?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=21 and Y=318.
To find the number halfway between 21 and 318, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 21 and 318 into our formula, we get:
(21 + 318)/2 = 169.5
Thus, the number halfway between 21 and 318 is 169.5.
To check that our answer is correct, we subtract 21 from 169.5 and subtract 169.5 from 318 and compare the two numbers:
169.5 - 21 = 148.5
318 - 169.5 = 148.5
As you can see, the halfway number is 148.5 higher than 21 and 148.5 lower than 318. Therefore, our halfway between answer of 169.5 above is correct.
Halfway Between
Find halfway between two other numbers here!
Halfway Between 21 and 319
Here is our next Halfway Between calculation.
Copyright | Privacy Policy | Disclaimer | Contact