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Finding the Third Proportional to 3,432 and 6,112

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Solution

The third proportional to 3,432 and 6,112 is: 10,884.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432 : 6,112 = 6,112 : x
  2. Step 2: Convert to fraction form
    3,432/6,112 = 6,112/x
  3. Step 3: Cross multiply
    3,432x = 6,112 × 6,112
  4. Step 4: Simplify right side
    3,432x = 37,356,544
  5. Step 5: Solve for x
    x = 37,356,544/3,432
  6. Step 6: Final answer
    x = 10,884.77

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.