
When you ask "What number is halfway between 73 and 239?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=73 and Y=239.

To find the number halfway between 73 and 239, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 73 and 239 into our formula, we get:
(73 + 239)/2 = 156
Thus, the number halfway between 73 and 239 is 156.
To check that our answer is correct, we subtract 73 from 156 and subtract 156 from 239 and compare the two numbers:
156 - 73 = 83
239 - 156 = 83
As you can see, the halfway number is 83 higher than 73 and 83 lower than 239. Therefore, our halfway between answer of 156 above is correct.
Halfway Between
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Halfway Between 73 and 240
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