
When you ask "What number is halfway between 7 and 274?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=7 and Y=274.

To find the number halfway between 7 and 274, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 7 and 274 into our formula, we get:
(7 + 274)/2 = 140.5
Thus, the number halfway between 7 and 274 is 140.5.
To check that our answer is correct, we subtract 7 from 140.5 and subtract 140.5 from 274 and compare the two numbers:
140.5 - 7 = 133.5
274 - 140.5 = 133.5
As you can see, the halfway number is 133.5 higher than 7 and 133.5 lower than 274. Therefore, our halfway between answer of 140.5 above is correct.
Halfway Between
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Halfway Between 7 and 275
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