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Finding the Third Proportional to 69,366 and 103,859

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Solution

The third proportional to 69,366 and 103,859 is: 155,504.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,366 : 103,859 = 103,859 : x
  2. Step 2: Convert to fraction form
    69,366/103,859 = 103,859/x
  3. Step 3: Cross multiply
    69,366x = 103,859 × 103,859
  4. Step 4: Simplify right side
    69,366x = 10,786,691,881
  5. Step 5: Solve for x
    x = 10,786,691,881/69,366
  6. Step 6: Final answer
    x = 155,504.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.