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Finding the Third Proportional to 3,877 and 8,753

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Solution

The third proportional to 3,877 and 8,753 is: 19,761.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877 : 8,753 = 8,753 : x
  2. Step 2: Convert to fraction form
    3,877/8,753 = 8,753/x
  3. Step 3: Cross multiply
    3,877x = 8,753 × 8,753
  4. Step 4: Simplify right side
    3,877x = 76,615,009
  5. Step 5: Solve for x
    x = 76,615,009/3,877
  6. Step 6: Final answer
    x = 19,761.42

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.