Halfway Between 9 and 225

When you ask "What number is halfway between 9 and 225?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=9 and Y=225.

Halfway Between Line

To find the number halfway between 9 and 225, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 9 and 225 into our formula, we get:

(9 + 225)/2 = 117

Thus, the number halfway between 9 and 225 is 117.

To check that our answer is correct, we subtract 9 from 117 and subtract 117 from 225 and compare the two numbers:

117 - 9 = 108
225 - 117 = 108

As you can see, the halfway number is 108 higher than 9 and 108 lower than 225. Therefore, our halfway between answer of 117 above is correct.

Halfway Between
Find halfway between two other numbers here!

Halfway Between 9 and 226
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