Halfway Between 15 and 493

When you ask "What number is halfway between 15 and 493?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=15 and Y=493.

Halfway Between Line

To find the number halfway between 15 and 493, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 15 and 493 into our formula, we get:

(15 + 493)/2 = 254

Thus, the number halfway between 15 and 493 is 254.

To check that our answer is correct, we subtract 15 from 254 and subtract 254 from 493 and compare the two numbers:

254 - 15 = 239
493 - 254 = 239

As you can see, the halfway number is 239 higher than 15 and 239 lower than 493. Therefore, our halfway between answer of 254 above is correct.

Halfway Between
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Halfway Between 15 and 494
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