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Finding the Third Proportional to 43.88 and 61

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Solution

The third proportional to 43.88 and 61 is: 84.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.88 : 61 = 61 : x
  2. Step 2: Convert to fraction form
    43.88/61 = 61/x
  3. Step 3: Cross multiply
    43.88x = 61 × 61
  4. Step 4: Simplify right side
    43.88x = 3,721
  5. Step 5: Solve for x
    x = 3,721/43.88
  6. Step 6: Final answer
    x = 84.81

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.