Finding the Third Proportional to 7,767 and 8,775
Calculator
Solution
The third proportional to 7,767 and 8,775 is: 9,913.82
Step by Step Solution
- Step 1: Write the proportion equation
7,767 : 8,775 = 8,775 : x - Step 2: Convert to fraction form
7,767/8,775 = 8,775/x - Step 3: Cross multiply
7,767x = 8,775 × 8,775 - Step 4: Simplify right side
7,767x = 77,000,625 - Step 5: Solve for x
x = 77,000,625/7,767 - Step 6: Final answer
x = 9,913.82
Related Problems
Find third proportional to 3,883.50 and 4,387.50
Half scale
Find third proportional to 15,534 and 17,550
Double scale
Find third proportional to 7,769 and 8,777
Similar ratio
Find third proportional to 11,650.50 and 13,162.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.