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Finding the Third Proportional to 13,399 and 27,163

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Solution

The third proportional to 13,399 and 27,163 is: 55,065.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399 : 27,163 = 27,163 : x
  2. Step 2: Convert to fraction form
    13,399/27,163 = 27,163/x
  3. Step 3: Cross multiply
    13,399x = 27,163 × 27,163
  4. Step 4: Simplify right side
    13,399x = 737,828,569
  5. Step 5: Solve for x
    x = 737,828,569/13,399
  6. Step 6: Final answer
    x = 55,065.94

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.