The rectangle used in Josef Müller-Brockmann's "Der Filmposter" has a three-to-five ratio. This means that the length of the rectangle is three units while the width is five units.
The ancient Greeks considered this ratio, known as the golden ratio or the golden rectangle, to be the most beautifully proportioned. It is a mathematical ratio that is believed to create aesthetically pleasing and harmonious compositions. The golden ratio can be found in many aspects of art, design, and nature.
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