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Finding the Third Proportional to 26,379 and 55,692

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Solution

The third proportional to 26,379 and 55,692 is: 117,578.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,379 : 55,692 = 55,692 : x
  2. Step 2: Convert to fraction form
    26,379/55,692 = 55,692/x
  3. Step 3: Cross multiply
    26,379x = 55,692 × 55,692
  4. Step 4: Simplify right side
    26,379x = 3,101,598,864
  5. Step 5: Solve for x
    x = 3,101,598,864/26,379
  6. Step 6: Final answer
    x = 117,578.33

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.