The Golden Ratio, also known as Phi (Φ), is a mathematical constant that appears in various aspects of art, architecture, and nature. It is approximately equal to 1.618033988749895... One interesting property of the Golden Ratio is that when a line is divided into two parts in such a way that the ratio of the whole line to the longer part is the same as the ratio of the longer part to the shorter part, then this ratio is equal to the Golden Ratio. In mathematics, the Golden Ratio is often denoted by the Greek letter Φ and is defined as (1 + √5) / 2. This ratio has been used in various fields, such as design and aesthetics, to create visually pleasing compositions. The proportions of the Parthenon in ancient Greece, the Mona Lisa's face, and even the shape of galaxies in the universe all exhibit the Golden Ratio. It's fascinating how this seemingly simple mathematical concept can be found everywhere in the world around us.