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Finding the Third Proportional to 13,538 and 29,749

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Solution

The third proportional to 13,538 and 29,749 is: 65,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,538 : 29,749 = 29,749 : x
  2. Step 2: Convert to fraction form
    13,538/29,749 = 29,749/x
  3. Step 3: Cross multiply
    13,538x = 29,749 × 29,749
  4. Step 4: Simplify right side
    13,538x = 885,003,001
  5. Step 5: Solve for x
    x = 885,003,001/13,538
  6. Step 6: Final answer
    x = 65,371.77

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.