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Finding the Third Proportional to 38.44 and 58.73

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Solution

The third proportional to 38.44 and 58.73 is: 89.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.44 : 58.73 = 58.73 : x
  2. Step 2: Convert to fraction form
    38.44/58.73 = 58.73/x
  3. Step 3: Cross multiply
    38.44x = 58.73 × 58.73
  4. Step 4: Simplify right side
    38.44x = 3,449.55
  5. Step 5: Solve for x
    x = 3,449.55/38.44
  6. Step 6: Final answer
    x = 89.73

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.