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Finding the Third Proportional to 396.38 and 594.56

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Solution

The third proportional to 396.38 and 594.56 is: 891.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.38 : 594.56 = 594.56 : x
  2. Step 2: Convert to fraction form
    396.38/594.56 = 594.56/x
  3. Step 3: Cross multiply
    396.38x = 594.56 × 594.56
  4. Step 4: Simplify right side
    396.38x = 353,504.57
  5. Step 5: Solve for x
    x = 353,504.57/396.38
  6. Step 6: Final answer
    x = 891.84

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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.