Halfway Between 10 and 506

When you ask "What number is halfway between 10 and 506?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=10 and Y=506.

Halfway Between Line

To find the number halfway between 10 and 506, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 10 and 506 into our formula, we get:

(10 + 506)/2 = 258

Thus, the number halfway between 10 and 506 is 258.

To check that our answer is correct, we subtract 10 from 258 and subtract 258 from 506 and compare the two numbers:

258 - 10 = 248
506 - 258 = 248

As you can see, the halfway number is 248 higher than 10 and 248 lower than 506. Therefore, our halfway between answer of 258 above is correct.

Halfway Between
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Halfway Between 10 and 507
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