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Finding the Third Proportional to 13,060 and 19,540

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Solution

The third proportional to 13,060 and 19,540 is: 29,235.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060 : 19,540 = 19,540 : x
  2. Step 2: Convert to fraction form
    13,060/19,540 = 19,540/x
  3. Step 3: Cross multiply
    13,060x = 19,540 × 19,540
  4. Step 4: Simplify right side
    13,060x = 381,811,600
  5. Step 5: Solve for x
    x = 381,811,600/13,060
  6. Step 6: Final answer
    x = 29,235.19

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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.