Finding the Third Proportional to 712.50 and 1,542
Calculator
Solution
The third proportional to 712.50 and 1,542 is: 3,337.21
Step by Step Solution
- Step 1: Write the proportion equation
712.50 : 1,542 = 1,542 : x - Step 2: Convert to fraction form
712.50/1,542 = 1,542/x - Step 3: Cross multiply
712.50x = 1,542 × 1,542 - Step 4: Simplify right side
712.50x = 2,377,764 - Step 5: Solve for x
x = 2,377,764/712.50 - Step 6: Final answer
x = 3,337.21
Related Problems
Find third proportional to 356.25 and 771
Half scale
Find third proportional to 1,425 and 3,084
Double scale
Find third proportional to 715 and 1,546
Similar ratio
Find third proportional to 1,068.75 and 2,313
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.