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Finding the Third Proportional to 26,115 and 55,917

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Solution

The third proportional to 26,115 and 55,917 is: 119,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115 : 55,917 = 55,917 : x
  2. Step 2: Convert to fraction form
    26,115/55,917 = 55,917/x
  3. Step 3: Cross multiply
    26,115x = 55,917 × 55,917
  4. Step 4: Simplify right side
    26,115x = 3,126,710,889
  5. Step 5: Solve for x
    x = 3,126,710,889/26,115
  6. Step 6: Final answer
    x = 119,728.54

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.