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Finding the Third Proportional to 12,577 and 16,132

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Solution

The third proportional to 12,577 and 16,132 is: 20,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577 : 16,132 = 16,132 : x
  2. Step 2: Convert to fraction form
    12,577/16,132 = 16,132/x
  3. Step 3: Cross multiply
    12,577x = 16,132 × 16,132
  4. Step 4: Simplify right side
    12,577x = 260,241,424
  5. Step 5: Solve for x
    x = 260,241,424/12,577
  6. Step 6: Final answer
    x = 20,691.85

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.