Answer:
 These numbers are 3 and 9
Explanation:
x  - smaller number
3x  - three times the smaller number = the larger number
2×3x  - twice the targer number
2×3x+3x - twice the larger is added to three times the smaller
2×3x + 3x = 27
6x + 3x = 27
 9x = 27
 ÷9 ÷9
 x = 3
3x = 3×3 = 9