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Finding the Third Proportional to 2,678 and 6,112

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Solution

The third proportional to 2,678 and 6,112 is: 13,949.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678 : 6,112 = 6,112 : x
  2. Step 2: Convert to fraction form
    2,678/6,112 = 6,112/x
  3. Step 3: Cross multiply
    2,678x = 6,112 × 6,112
  4. Step 4: Simplify right side
    2,678x = 37,356,544
  5. Step 5: Solve for x
    x = 37,356,544/2,678
  6. Step 6: Final answer
    x = 13,949.42

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.