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Finding the Third Proportional to 3,102 and 6,678

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Solution

The third proportional to 3,102 and 6,678 is: 14,376.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102 : 6,678 = 6,678 : x
  2. Step 2: Convert to fraction form
    3,102/6,678 = 6,678/x
  3. Step 3: Cross multiply
    3,102x = 6,678 × 6,678
  4. Step 4: Simplify right side
    3,102x = 44,595,684
  5. Step 5: Solve for x
    x = 44,595,684/3,102
  6. Step 6: Final answer
    x = 14,376.43

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.