No, the geometric mean is not the same as the mean of two numbers.
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Geometric mean of 2 and 12 is 4.898979485566356. Look at link: "Calculation of the geometric mean of two numbers".
Not usually. Given numbers a and b, the mean or average is (a + b)/2 but the geometric mean is sq rt (a X b). If both a and b equal 1, the results are the same.
The geometric mean of two numbers is the square root of their product. For example, the geometric mean of 4 and 25 is 10.
Two numbers: 3.2 and 4: Geometric mean is 3.5777087639996634 Arithmetic mean is 3.6 Scroll down to related links and look at "Geometric and Arithmetic Mean".
The geometric mean, if it exists, is always less than or equal to the arithmetic mean. The two are equal only if all the numbers are the same.