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Finding the Third Proportional to 26,928 and 55,197

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Solution

The third proportional to 26,928 and 55,197 is: 113,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,928 : 55,197 = 55,197 : x
  2. Step 2: Convert to fraction form
    26,928/55,197 = 55,197/x
  3. Step 3: Cross multiply
    26,928x = 55,197 × 55,197
  4. Step 4: Simplify right side
    26,928x = 3,046,708,809
  5. Step 5: Solve for x
    x = 3,046,708,809/26,928
  6. Step 6: Final answer
    x = 113,142.78

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.