Finding the Third Proportional to 315,057.09 and 691,350.19
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Solution
The third proportional to 315,057.09 and 691,350.19 is: 1,517,074.50
Step by Step Solution
- Step 1: Write the proportion equation
315,057.09 : 691,350.19 = 691,350.19 : x - Step 2: Convert to fraction form
315,057.09/691,350.19 = 691,350.19/x - Step 3: Cross multiply
315,057.09x = 691,350.19 × 691,350.19 - Step 4: Simplify right side
315,057.09x = 477,965,081,756.29 - Step 5: Solve for x
x = 477,965,081,756.29/315,057.09 - Step 6: Final answer
x = 1,517,074.50
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.