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Finding the Third Proportional to 396 and 933

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Solution

The third proportional to 396 and 933 is: 2,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    396 : 933 = 933 : x
  2. Step 2: Convert to fraction form
    396/933 = 933/x
  3. Step 3: Cross multiply
    396x = 933 × 933
  4. Step 4: Simplify right side
    396x = 870,489
  5. Step 5: Solve for x
    x = 870,489/396
  6. Step 6: Final answer
    x = 2,198.20

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.