
When you ask "What number is halfway between 72 and 488?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=72 and Y=488.

To find the number halfway between 72 and 488, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 72 and 488 into our formula, we get:
(72 + 488)/2 = 280
Thus, the number halfway between 72 and 488 is 280.
To check that our answer is correct, we subtract 72 from 280 and subtract 280 from 488 and compare the two numbers:
280 - 72 = 208
488 - 280 = 208
As you can see, the halfway number is 208 higher than 72 and 208 lower than 488. Therefore, our halfway between answer of 280 above is correct.
Halfway Between
Find halfway between two other numbers here!
Halfway Between 72 and 489
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