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Finding the Third Proportional to 47,727 and 103,655

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Solution

The third proportional to 47,727 and 103,655 is: 225,121.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,727 : 103,655 = 103,655 : x
  2. Step 2: Convert to fraction form
    47,727/103,655 = 103,655/x
  3. Step 3: Cross multiply
    47,727x = 103,655 × 103,655
  4. Step 4: Simplify right side
    47,727x = 10,744,359,025
  5. Step 5: Solve for x
    x = 10,744,359,025/47,727
  6. Step 6: Final answer
    x = 225,121.19

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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.