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Finding the Third Proportional to 103,687 and 155,927

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Solution

The third proportional to 103,687 and 155,927 is: 234,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,687 : 155,927 = 155,927 : x
  2. Step 2: Convert to fraction form
    103,687/155,927 = 155,927/x
  3. Step 3: Cross multiply
    103,687x = 155,927 × 155,927
  4. Step 4: Simplify right side
    103,687x = 24,313,229,329
  5. Step 5: Solve for x
    x = 24,313,229,329/103,687
  6. Step 6: Final answer
    x = 234,486.77

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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.