Product of extremes = Product of means. $0.75 * 8 = 5 * x implies 6 = 5x implies x = 1.2$.
बाहरी पदों का गुणनफल = मध्य पदों का गुणनफल। $0.75 * 8 = 5 * x implies 6 = 5x implies x = 1.2$।