Finding the Third Proportional to 787,707 and 1,687,497
Calculator
Solution
The third proportional to 787,707 and 1,687,497 is: 3,615,108.31
Step by Step Solution
- Step 1: Write the proportion equation
787,707 : 1,687,497 = 1,687,497 : x - Step 2: Convert to fraction form
787,707/1,687,497 = 1,687,497/x - Step 3: Cross multiply
787,707x = 1,687,497 × 1,687,497 - Step 4: Simplify right side
787,707x = 2,847,646,125,009 - Step 5: Solve for x
x = 2,847,646,125,009/787,707 - Step 6: Final answer
x = 3,615,108.31
Related Problems
Find third proportional to 393,853.50 and 843,748.50
Half scale
Find third proportional to 1,575,414 and 3,374,994
Double scale
Find third proportional to 787,709 and 1,687,501
Similar ratio
Find third proportional to 1,181,560.50 and 2,531,245.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.