Finding the Third Proportional to 684,406.13 and 991,318.50
Calculator
Solution
The third proportional to 684,406.13 and 991,318.50 is: 1,435,861.45
Step by Step Solution
- Step 1: Write the proportion equation
684,406.13 : 991,318.50 = 991,318.50 : x - Step 2: Convert to fraction form
684,406.13/991,318.50 = 991,318.50/x - Step 3: Cross multiply
684,406.13x = 991,318.50 × 991,318.50 - Step 4: Simplify right side
684,406.13x = 982,712,368,442.25 - Step 5: Solve for x
x = 982,712,368,442.25/684,406.13 - Step 6: Final answer
x = 1,435,861.45
Related Problems
Find third proportional to 342,203.06 and 495,659.25
Half scale
Find third proportional to 1,368,812.25 and 1,982,637
Double scale
Find third proportional to 684,408 and 991,321
Similar ratio
Find third proportional to 1,026,609.19 and 1,486,977.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.