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Finding the Third Proportional to 94.92 and 194.91

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Solution

The third proportional to 94.92 and 194.91 is: 400.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.92 : 194.91 = 194.91 : x
  2. Step 2: Convert to fraction form
    94.92/194.91 = 194.91/x
  3. Step 3: Cross multiply
    94.92x = 194.91 × 194.91
  4. Step 4: Simplify right side
    94.92x = 37,988.45
  5. Step 5: Solve for x
    x = 37,988.45/94.92
  6. Step 6: Final answer
    x = 400.21

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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.