Finding the Third Proportional to 471 and 539
Calculator
Solution
The third proportional to 471 and 539 is: 616.82
Step by Step Solution
- Step 1: Write the proportion equation
471 : 539 = 539 : x - Step 2: Convert to fraction form
471/539 = 539/x - Step 3: Cross multiply
471x = 539 × 539 - Step 4: Simplify right side
471x = 290,521 - Step 5: Solve for x
x = 290,521/471 - Step 6: Final answer
x = 616.82
Related Problems
Find third proportional to 235.50 and 269.50
Half scale
Find third proportional to 942 and 1,078
Double scale
Find third proportional to 473 and 541
Similar ratio
Find third proportional to 706.50 and 808.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.