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Finding the Third Proportional to 96.91 and 149.81

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Solution

The third proportional to 96.91 and 149.81 is: 231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.91 : 149.81 = 149.81 : x
  2. Step 2: Convert to fraction form
    96.91/149.81 = 149.81/x
  3. Step 3: Cross multiply
    96.91x = 149.81 × 149.81
  4. Step 4: Simplify right side
    96.91x = 22,443.79
  5. Step 5: Solve for x
    x = 22,443.79/96.91
  6. Step 6: Final answer
    x = 231.60

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.