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Finding the Third Proportional to 11.44 and 26.61

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Solution

The third proportional to 11.44 and 26.61 is: 61.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.44 : 26.61 = 26.61 : x
  2. Step 2: Convert to fraction form
    11.44/26.61 = 26.61/x
  3. Step 3: Cross multiply
    11.44x = 26.61 × 26.61
  4. Step 4: Simplify right side
    11.44x = 708.06
  5. Step 5: Solve for x
    x = 708.06/11.44
  6. Step 6: Final answer
    x = 61.91

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.