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Finding the Third Proportional to 131,330 and 284,676

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Solution

The third proportional to 131,330 and 284,676 is: 617,074.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,330 : 284,676 = 284,676 : x
  2. Step 2: Convert to fraction form
    131,330/284,676 = 284,676/x
  3. Step 3: Cross multiply
    131,330x = 284,676 × 284,676
  4. Step 4: Simplify right side
    131,330x = 81,040,424,976
  5. Step 5: Solve for x
    x = 81,040,424,976/131,330
  6. Step 6: Final answer
    x = 617,074.74

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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.