Halfway Between 78 and 428

When you ask "What number is halfway between 78 and 428?" 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=428.

Halfway Between Line

To find the number halfway between 78 and 428, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 78 and 428 into our formula, we get:

(78 + 428)/2 = 253

Thus, the number halfway between 78 and 428 is 253.

To check that our answer is correct, we subtract 78 from 253 and subtract 253 from 428 and compare the two numbers:

253 - 78 = 175
428 - 253 = 175

As you can see, the halfway number is 175 higher than 78 and 175 lower than 428. Therefore, our halfway between answer of 253 above is correct.

Halfway Between
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Halfway Between 78 and 429
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