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Finding the Third Proportional to 13,506 and 20,204

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Solution

The third proportional to 13,506 and 20,204 is: 30,223.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506 : 20,204 = 20,204 : x
  2. Step 2: Convert to fraction form
    13,506/20,204 = 20,204/x
  3. Step 3: Cross multiply
    13,506x = 20,204 × 20,204
  4. Step 4: Simplify right side
    13,506x = 408,201,616
  5. Step 5: Solve for x
    x = 408,201,616/13,506
  6. Step 6: Final answer
    x = 30,223.72

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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.