The aspect ratio of an image describes the proportional relationship between its width and its height.
A fraction (from Latin fractus, "broken") represents a part of a whole or, more generally, any number of equal parts.
In music, hemiola (also hemiolia) is the ratio 3:2.
In music theory, a perfect fifth is the musical interval corresponding to a pair of pitches with a frequency ratio of 3:2, or very nearly so.
Triple metre (or Am. triple meter, also known as triple time) is a musical metre characterized by a primary division of 3 beats to the bar, usually indicated by 3 (simple) or 9 (compound) in the upper figure of the time signature, with,, and being the most common examples.
3rd Battalion, 2nd Marines (3/2) is an infantry battalion in the United States Marine Corps based out of Marine Corps Base Camp Lejeune, North Carolina.