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Finding the Third Proportional to 14,773 and 20,691

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Solution

The third proportional to 14,773 and 20,691 is: 28,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,773 : 20,691 = 20,691 : x
  2. Step 2: Convert to fraction form
    14,773/20,691 = 20,691/x
  3. Step 3: Cross multiply
    14,773x = 20,691 × 20,691
  4. Step 4: Simplify right side
    14,773x = 428,117,481
  5. Step 5: Solve for x
    x = 428,117,481/14,773
  6. Step 6: Final answer
    x = 28,979.73

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.