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Finding the Third Proportional to 94.92 and 140.48

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Solution

The third proportional to 94.92 and 140.48 is: 207.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.92 : 140.48 = 140.48 : x
  2. Step 2: Convert to fraction form
    94.92/140.48 = 140.48/x
  3. Step 3: Cross multiply
    94.92x = 140.48 × 140.48
  4. Step 4: Simplify right side
    94.92x = 19,735.86
  5. Step 5: Solve for x
    x = 19,735.86/94.92
  6. Step 6: Final answer
    x = 207.92

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.