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Finding the Third Proportional to 367 and 939

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Solution

The third proportional to 367 and 939 is: 2,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    367 : 939 = 939 : x
  2. Step 2: Convert to fraction form
    367/939 = 939/x
  3. Step 3: Cross multiply
    367x = 939 × 939
  4. Step 4: Simplify right side
    367x = 881,721
  5. Step 5: Solve for x
    x = 881,721/367
  6. Step 6: Final answer
    x = 2,402.51

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Why These Related Problems?

These problems maintain the same ratio (2.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.