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Finding the Third Proportional to 396.94 and 591.84

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Solution

The third proportional to 396.94 and 591.84 is: 882.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.94 : 591.84 = 591.84 : x
  2. Step 2: Convert to fraction form
    396.94/591.84 = 591.84/x
  3. Step 3: Cross multiply
    396.94x = 591.84 × 591.84
  4. Step 4: Simplify right side
    396.94x = 350,279.02
  5. Step 5: Solve for x
    x = 350,279.02/396.94
  6. Step 6: Final answer
    x = 882.45

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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.