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Finding the Third Proportional to 26,929 and 55,199

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Solution

The third proportional to 26,929 and 55,199 is: 113,146.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929 : 55,199 = 55,199 : x
  2. Step 2: Convert to fraction form
    26,929/55,199 = 55,199/x
  3. Step 3: Cross multiply
    26,929x = 55,199 × 55,199
  4. Step 4: Simplify right side
    26,929x = 3,046,929,601
  5. Step 5: Solve for x
    x = 3,046,929,601/26,929
  6. Step 6: Final answer
    x = 113,146.78

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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.