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Finding the Third Proportional to 129,293.50 and 284,507

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Solution

The third proportional to 129,293.50 and 284,507 is: 626,050.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,293.50 : 284,507 = 284,507 : x
  2. Step 2: Convert to fraction form
    129,293.50/284,507 = 284,507/x
  3. Step 3: Cross multiply
    129,293.50x = 284,507 × 284,507
  4. Step 4: Simplify right side
    129,293.50x = 80,944,233,049
  5. Step 5: Solve for x
    x = 80,944,233,049/129,293.50
  6. Step 6: Final answer
    x = 626,050.29

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.