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Finding the Third Proportional to 131.44 and 197.19

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Solution

The third proportional to 131.44 and 197.19 is: 295.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131.44 : 197.19 = 197.19 : x
  2. Step 2: Convert to fraction form
    131.44/197.19 = 197.19/x
  3. Step 3: Cross multiply
    131.44x = 197.19 × 197.19
  4. Step 4: Simplify right side
    131.44x = 38,882.91
  5. Step 5: Solve for x
    x = 38,882.91/131.44
  6. Step 6: Final answer
    x = 295.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.