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Finding the Third Proportional to 95.42 and 195.91

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Solution

The third proportional to 95.42 and 195.91 is: 402.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.42 : 195.91 = 195.91 : x
  2. Step 2: Convert to fraction form
    95.42/195.91 = 195.91/x
  3. Step 3: Cross multiply
    95.42x = 195.91 × 195.91
  4. Step 4: Simplify right side
    95.42x = 38,379.26
  5. Step 5: Solve for x
    x = 38,379.26/95.42
  6. Step 6: Final answer
    x = 402.21

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.