Finding the Third Proportional to 727 and 847
Calculator
Solution
The third proportional to 727 and 847 is: 986.81
Step by Step Solution
- Step 1: Write the proportion equation
727 : 847 = 847 : x - Step 2: Convert to fraction form
727/847 = 847/x - Step 3: Cross multiply
727x = 847 × 847 - Step 4: Simplify right side
727x = 717,409 - Step 5: Solve for x
x = 717,409/727 - Step 6: Final answer
x = 986.81
Related Problems
Find third proportional to 363.50 and 423.50
Half scale
Find third proportional to 1,454 and 1,694
Double scale
Find third proportional to 729 and 849
Similar ratio
Find third proportional to 1,090.50 and 1,270.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.