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Finding the Third Proportional to 8,745 and 20,634

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Solution

The third proportional to 8,745 and 20,634 is: 48,686.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745 : 20,634 = 20,634 : x
  2. Step 2: Convert to fraction form
    8,745/20,634 = 20,634/x
  3. Step 3: Cross multiply
    8,745x = 20,634 × 20,634
  4. Step 4: Simplify right side
    8,745x = 425,761,956
  5. Step 5: Solve for x
    x = 425,761,956/8,745
  6. Step 6: Final answer
    x = 48,686.33

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.