Finding the Third Proportional to 713 and 813
Calculator
Solution
The third proportional to 713 and 813 is: 927.03
Step by Step Solution
- Step 1: Write the proportion equation
713 : 813 = 813 : x - Step 2: Convert to fraction form
713/813 = 813/x - Step 3: Cross multiply
713x = 813 × 813 - Step 4: Simplify right side
713x = 660,969 - Step 5: Solve for x
x = 660,969/713 - Step 6: Final answer
x = 927.03
Related Problems
Find third proportional to 356.50 and 406.50
Half scale
Find third proportional to 1,426 and 1,626
Double scale
Find third proportional to 715 and 815
Similar ratio
Find third proportional to 1,069.50 and 1,219.50
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.