Finding the Third Proportional to 1,172 and 1,922
Calculator
Solution
The third proportional to 1,172 and 1,922 is: 3,151.95
Step by Step Solution
- Step 1: Write the proportion equation
1,172 : 1,922 = 1,922 : x - Step 2: Convert to fraction form
1,172/1,922 = 1,922/x - Step 3: Cross multiply
1,172x = 1,922 × 1,922 - Step 4: Simplify right side
1,172x = 3,694,084 - Step 5: Solve for x
x = 3,694,084/1,172 - Step 6: Final answer
x = 3,151.95
Related Problems
Find third proportional to 586 and 961
Half scale
Find third proportional to 2,344 and 3,844
Double scale
Find third proportional to 1,174 and 1,925
Similar ratio
Find third proportional to 1,758 and 2,883
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.