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Finding the Third Proportional to 4,394 and 7,027

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Solution

The third proportional to 4,394 and 7,027 is: 11,237.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,394 : 7,027 = 7,027 : x
  2. Step 2: Convert to fraction form
    4,394/7,027 = 7,027/x
  3. Step 3: Cross multiply
    4,394x = 7,027 × 7,027
  4. Step 4: Simplify right side
    4,394x = 49,378,729
  5. Step 5: Solve for x
    x = 49,378,729/4,394
  6. Step 6: Final answer
    x = 11,237.76

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.