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Finding the Third Proportional to 133,474 and 179,781

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Solution

The third proportional to 133,474 and 179,781 is: 242,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,474 : 179,781 = 179,781 : x
  2. Step 2: Convert to fraction form
    133,474/179,781 = 179,781/x
  3. Step 3: Cross multiply
    133,474x = 179,781 × 179,781
  4. Step 4: Simplify right side
    133,474x = 32,321,207,961
  5. Step 5: Solve for x
    x = 32,321,207,961/133,474
  6. Step 6: Final answer
    x = 242,153.59

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.