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Finding the Third Proportional to 396.56 and 592.19

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Solution

The third proportional to 396.56 and 592.19 is: 884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.56 : 592.19 = 592.19 : x
  2. Step 2: Convert to fraction form
    396.56/592.19 = 592.19/x
  3. Step 3: Cross multiply
    396.56x = 592.19 × 592.19
  4. Step 4: Simplify right side
    396.56x = 350,686.04
  5. Step 5: Solve for x
    x = 350,686.04/396.56
  6. Step 6: Final answer
    x = 884.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.