Geometric mean
From Encyclopedia of Mathematics
of positive numbers
The number equal to the real positive -th root of their product, i.e. to
![]() |
The geometric mean is always smaller than the arithmetic mean, except when all the numbers are equal (then these two means are equal). The geometric mean of two numbers is also known as the proportional mean.
How to Cite This Entry:
Geometric mean. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Geometric_mean&oldid=31434
Geometric mean. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Geometric_mean&oldid=31434