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Finding the Third Proportional to 14,008 and 18,691

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Solution

The third proportional to 14,008 and 18,691 is: 24,939.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008 : 18,691 = 18,691 : x
  2. Step 2: Convert to fraction form
    14,008/18,691 = 18,691/x
  3. Step 3: Cross multiply
    14,008x = 18,691 × 18,691
  4. Step 4: Simplify right side
    14,008x = 349,353,481
  5. Step 5: Solve for x
    x = 349,353,481/14,008
  6. Step 6: Final answer
    x = 24,939.57

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.