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Finding the Third Proportional to 28.97 and 47.44

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Solution

The third proportional to 28.97 and 47.44 is: 77.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28.97 : 47.44 = 47.44 : x
  2. Step 2: Convert to fraction form
    28.97/47.44 = 47.44/x
  3. Step 3: Cross multiply
    28.97x = 47.44 × 47.44
  4. Step 4: Simplify right side
    28.97x = 2,250.32
  5. Step 5: Solve for x
    x = 2,250.32/28.97
  6. Step 6: Final answer
    x = 77.68

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.