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Finding the Third Proportional to 13,514 and 20,217

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Solution

The third proportional to 13,514 and 20,217 is: 30,244.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514 : 20,217 = 20,217 : x
  2. Step 2: Convert to fraction form
    13,514/20,217 = 20,217/x
  3. Step 3: Cross multiply
    13,514x = 20,217 × 20,217
  4. Step 4: Simplify right side
    13,514x = 408,727,089
  5. Step 5: Solve for x
    x = 408,727,089/13,514
  6. Step 6: Final answer
    x = 30,244.72

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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.