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Finding the Third Proportional to 62.44 and 97.31

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Solution

The third proportional to 62.44 and 97.31 is: 151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.44 : 97.31 = 97.31 : x
  2. Step 2: Convert to fraction form
    62.44/97.31 = 97.31/x
  3. Step 3: Cross multiply
    62.44x = 97.31 × 97.31
  4. Step 4: Simplify right side
    62.44x = 9,469.72
  5. Step 5: Solve for x
    x = 9,469.72/62.44
  6. Step 6: Final answer
    x = 151.67

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.