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Finding the Third Proportional to 106.73 and 144.91

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Solution

The third proportional to 106.73 and 144.91 is: 196.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.73 : 144.91 = 144.91 : x
  2. Step 2: Convert to fraction form
    106.73/144.91 = 144.91/x
  3. Step 3: Cross multiply
    106.73x = 144.91 × 144.91
  4. Step 4: Simplify right side
    106.73x = 21,000.09
  5. Step 5: Solve for x
    x = 21,000.09/106.73
  6. Step 6: Final answer
    x = 196.75

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.