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Finding the Third Proportional to 65,474 and 133,705

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Solution

The third proportional to 65,474 and 133,705 is: 273,040.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,474 : 133,705 = 133,705 : x
  2. Step 2: Convert to fraction form
    65,474/133,705 = 133,705/x
  3. Step 3: Cross multiply
    65,474x = 133,705 × 133,705
  4. Step 4: Simplify right side
    65,474x = 17,877,027,025
  5. Step 5: Solve for x
    x = 17,877,027,025/65,474
  6. Step 6: Final answer
    x = 273,040.09

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.