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Finding the Third Proportional to 95.81 and 199.13

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Solution

The third proportional to 95.81 and 199.13 is: 413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.81 : 199.13 = 199.13 : x
  2. Step 2: Convert to fraction form
    95.81/199.13 = 199.13/x
  3. Step 3: Cross multiply
    95.81x = 199.13 × 199.13
  4. Step 4: Simplify right side
    95.81x = 39,650.77
  5. Step 5: Solve for x
    x = 39,650.77/95.81
  6. Step 6: Final answer
    x = 413.84

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.