Finding the Third Proportional to 61,691.75 and 128,227.75
Calculator
Solution
The third proportional to 61,691.75 and 128,227.75 is: 266,524.39
Step by Step Solution
- Step 1: Write the proportion equation
61,691.75 : 128,227.75 = 128,227.75 : x - Step 2: Convert to fraction form
61,691.75/128,227.75 = 128,227.75/x - Step 3: Cross multiply
61,691.75x = 128,227.75 × 128,227.75 - Step 4: Simplify right side
61,691.75x = 16,442,355,870.06 - Step 5: Solve for x
x = 16,442,355,870.06/61,691.75 - Step 6: Final answer
x = 266,524.39
Related Problems
Find third proportional to 30,845.88 and 64,113.88
Half scale
Find third proportional to 123,383.50 and 256,455.50
Double scale
Find third proportional to 61,694 and 128,232
Similar ratio
Find third proportional to 92,537.63 and 192,341.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.