Finding the Third Proportional to 372 and 542
Calculator
Solution
The third proportional to 372 and 542 is: 789.69
Step by Step Solution
- Step 1: Write the proportion equation
372 : 542 = 542 : x - Step 2: Convert to fraction form
372/542 = 542/x - Step 3: Cross multiply
372x = 542 × 542 - Step 4: Simplify right side
372x = 293,764 - Step 5: Solve for x
x = 293,764/372 - Step 6: Final answer
x = 789.69
Related Problems
Find third proportional to 186 and 271
Half scale
Find third proportional to 744 and 1,084
Double scale
Find third proportional to 374 and 545
Similar ratio
Find third proportional to 558 and 813
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.