Three numbers are in the ratio 3 : 2 : 5 and the sum of their squares is 1862. Find the numbers.

(3x)² + (2x)² + (5x)² = 1862 => 9x² + 4x² + 25x² = 1862 => 38x² = 1862 => x² = 49 => x = 7। संख्याएँ: 21, 14, 35।