Finding the Third Proportional to 385,567.50 and 817,791
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Solution
The third proportional to 385,567.50 and 817,791 is: 1,734,539.66
Step by Step Solution
- Step 1: Write the proportion equation
385,567.50 : 817,791 = 817,791 : x - Step 2: Convert to fraction form
385,567.50/817,791 = 817,791/x - Step 3: Cross multiply
385,567.50x = 817,791 × 817,791 - Step 4: Simplify right side
385,567.50x = 668,782,119,681 - Step 5: Solve for x
x = 668,782,119,681/385,567.50 - Step 6: Final answer
x = 1,734,539.66
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.