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Finding the Third Proportional to 3,860 and 9,330

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Solution

The third proportional to 3,860 and 9,330 is: 22,551.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860 : 9,330 = 9,330 : x
  2. Step 2: Convert to fraction form
    3,860/9,330 = 9,330/x
  3. Step 3: Cross multiply
    3,860x = 9,330 × 9,330
  4. Step 4: Simplify right side
    3,860x = 87,048,900
  5. Step 5: Solve for x
    x = 87,048,900/3,860
  6. Step 6: Final answer
    x = 22,551.53

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.