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Finding the Third Proportional to 5,661 and 8,797

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Solution

The third proportional to 5,661 and 8,797 is: 13,670.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661 : 8,797 = 8,797 : x
  2. Step 2: Convert to fraction form
    5,661/8,797 = 8,797/x
  3. Step 3: Cross multiply
    5,661x = 8,797 × 8,797
  4. Step 4: Simplify right side
    5,661x = 77,387,209
  5. Step 5: Solve for x
    x = 77,387,209/5,661
  6. Step 6: Final answer
    x = 13,670.24

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.