Halfway Between 78 and 625

When you ask "What number is halfway between 78 and 625?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=78 and Y=625.

Halfway Between Line

To find the number halfway between 78 and 625, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 78 and 625 into our formula, we get:

(78 + 625)/2 = 351.5

Thus, the number halfway between 78 and 625 is 351.5.

To check that our answer is correct, we subtract 78 from 351.5 and subtract 351.5 from 625 and compare the two numbers:

351.5 - 78 = 273.5
625 - 351.5 = 273.5

As you can see, the halfway number is 273.5 higher than 78 and 273.5 lower than 625. Therefore, our halfway between answer of 351.5 above is correct.

Halfway Between
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