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Finding the Third Proportional to 3.88 and 5.44

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Solution

The third proportional to 3.88 and 5.44 is: 7.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.88 : 5.44 = 5.44 : x
  2. Step 2: Convert to fraction form
    3.88/5.44 = 5.44/x
  3. Step 3: Cross multiply
    3.88x = 5.44 × 5.44
  4. Step 4: Simplify right side
    3.88x = 29.57
  5. Step 5: Solve for x
    x = 29.57/3.88
  6. Step 6: Final answer
    x = 7.63

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.