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Finding the Third Proportional to 8,768 and 20,137

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Solution

The third proportional to 8,768 and 20,137 is: 46,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768 : 20,137 = 20,137 : x
  2. Step 2: Convert to fraction form
    8,768/20,137 = 20,137/x
  3. Step 3: Cross multiply
    8,768x = 20,137 × 20,137
  4. Step 4: Simplify right side
    8,768x = 405,498,769
  5. Step 5: Solve for x
    x = 405,498,769/8,768
  6. Step 6: Final answer
    x = 46,247.58

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.