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Finding the Third Proportional to 13,325 and 27,109

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Solution

The third proportional to 13,325 and 27,109 is: 55,151.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325 : 27,109 = 27,109 : x
  2. Step 2: Convert to fraction form
    13,325/27,109 = 27,109/x
  3. Step 3: Cross multiply
    13,325x = 27,109 × 27,109
  4. Step 4: Simplify right side
    13,325x = 734,897,881
  5. Step 5: Solve for x
    x = 734,897,881/13,325
  6. Step 6: Final answer
    x = 55,151.81

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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.