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Finding the Third Proportional to 131,352 and 284,720

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Solution

The third proportional to 131,352 and 284,720 is: 617,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,352 : 284,720 = 284,720 : x
  2. Step 2: Convert to fraction form
    131,352/284,720 = 284,720/x
  3. Step 3: Cross multiply
    131,352x = 284,720 × 284,720
  4. Step 4: Simplify right side
    131,352x = 81,065,478,400
  5. Step 5: Solve for x
    x = 81,065,478,400/131,352
  6. Step 6: Final answer
    x = 617,162.12

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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.