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Finding the Third Proportional to 12,579 and 27,099

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Solution

The third proportional to 12,579 and 27,099 is: 58,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579 : 27,099 = 27,099 : x
  2. Step 2: Convert to fraction form
    12,579/27,099 = 27,099/x
  3. Step 3: Cross multiply
    12,579x = 27,099 × 27,099
  4. Step 4: Simplify right side
    12,579x = 734,355,801
  5. Step 5: Solve for x
    x = 734,355,801/12,579
  6. Step 6: Final answer
    x = 58,379.51

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.