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Finding the Third Proportional to 9,778 and 14,691

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Solution

The third proportional to 9,778 and 14,691 is: 22,072.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778 : 14,691 = 14,691 : x
  2. Step 2: Convert to fraction form
    9,778/14,691 = 14,691/x
  3. Step 3: Cross multiply
    9,778x = 14,691 × 14,691
  4. Step 4: Simplify right side
    9,778x = 215,825,481
  5. Step 5: Solve for x
    x = 215,825,481/9,778
  6. Step 6: Final answer
    x = 22,072.56

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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.