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Finding the Third Proportional to 104,427 and 139,626

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Solution

The third proportional to 104,427 and 139,626 is: 186,689.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,427 : 139,626 = 139,626 : x
  2. Step 2: Convert to fraction form
    104,427/139,626 = 139,626/x
  3. Step 3: Cross multiply
    104,427x = 139,626 × 139,626
  4. Step 4: Simplify right side
    104,427x = 19,495,419,876
  5. Step 5: Solve for x
    x = 19,495,419,876/104,427
  6. Step 6: Final answer
    x = 186,689.46

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.