Finding the Third Proportional to 354,935.75 and 769,757.50
Calculator
Solution
The third proportional to 354,935.75 and 769,757.50 is: 1,669,391.18
Step by Step Solution
- Step 1: Write the proportion equation
354,935.75 : 769,757.50 = 769,757.50 : x - Step 2: Convert to fraction form
354,935.75/769,757.50 = 769,757.50/x - Step 3: Cross multiply
354,935.75x = 769,757.50 × 769,757.50 - Step 4: Simplify right side
354,935.75x = 592,526,608,806.25 - Step 5: Solve for x
x = 592,526,608,806.25/354,935.75 - Step 6: Final answer
x = 1,669,391.18
Related Problems
Find third proportional to 177,467.88 and 384,878.75
Half scale
Find third proportional to 709,871.50 and 1,539,515
Double scale
Find third proportional to 354,938 and 769,762
Similar ratio
Find third proportional to 532,403.63 and 1,154,636.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.