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Finding the Third Proportional to 37.97 and 84.48

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Solution

The third proportional to 37.97 and 84.48 is: 187.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.97 : 84.48 = 84.48 : x
  2. Step 2: Convert to fraction form
    37.97/84.48 = 84.48/x
  3. Step 3: Cross multiply
    37.97x = 84.48 × 84.48
  4. Step 4: Simplify right side
    37.97x = 7,136.95
  5. Step 5: Solve for x
    x = 7,136.95/37.97
  6. Step 6: Final answer
    x = 187.97

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.