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Finding the Third Proportional to 99.07 and 149.91

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Solution

The third proportional to 99.07 and 149.91 is: 226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99.07 : 149.91 = 149.91 : x
  2. Step 2: Convert to fraction form
    99.07/149.91 = 149.91/x
  3. Step 3: Cross multiply
    99.07x = 149.91 × 149.91
  4. Step 4: Simplify right side
    99.07x = 22,471.88
  5. Step 5: Solve for x
    x = 22,471.88/99.07
  6. Step 6: Final answer
    x = 226.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.