Applied Mathematics · Ch 5 — Sequences and Series
Geometric Mean
5.4.5
Geometric Mean
The geometric mean offers a different kind of "average" — one that multiplies numbers together rather than adding them. While the arithmetic mean finds a central value by balancing differences, the geometric mean finds one by balancing ratios. This makes it the natural choice when dealing with growth rates, percentages, or any data that multiplies over time, such as population growth or compound interest. Understanding the geometric mean deepens your appreciation for …