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Finding the Third Proportional to 94.29 and 199.34

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Solution

The third proportional to 94.29 and 199.34 is: 421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.29 : 199.34 = 199.34 : x
  2. Step 2: Convert to fraction form
    94.29/199.34 = 199.34/x
  3. Step 3: Cross multiply
    94.29x = 199.34 × 199.34
  4. Step 4: Simplify right side
    94.29x = 39,734.82
  5. Step 5: Solve for x
    x = 39,734.82/94.29
  6. Step 6: Final answer
    x = 421.41

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.