SOLUTION: Set up and solve a quadratic equation.
The proportion of the division of a line so that the smaller is to the larger as the larger is to the whole, or of the sides of a rectang
Question 19486: Set up and solve a quadratic equation.
The proportion of the division of a line so that the smaller is to the larger as the larger is to the whole, or of the sides of a rectangle so that the ratio of their difference to the smaller equals that of the smaller to the larger, supposed in classical aesthetic theory to be uniquely pleasing to the eye. ``golden mean, golden section, or extreme and mean ratio, n." Apparently that ``extreme and mean ratio'' is a specific number which is ?