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Finding the Third Proportional to 68,680 and 150,484

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Solution

The third proportional to 68,680 and 150,484 is: 329,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,680 : 150,484 = 150,484 : x
  2. Step 2: Convert to fraction form
    68,680/150,484 = 150,484/x
  3. Step 3: Cross multiply
    68,680x = 150,484 × 150,484
  4. Step 4: Simplify right side
    68,680x = 22,645,434,256
  5. Step 5: Solve for x
    x = 22,645,434,256/68,680
  6. Step 6: Final answer
    x = 329,723.85

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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.