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Finding the Third Proportional to 3,178.50 and 6,741

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Solution

The third proportional to 3,178.50 and 6,741 is: 14,296.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.50 : 6,741 = 6,741 : x
  2. Step 2: Convert to fraction form
    3,178.50/6,741 = 6,741/x
  3. Step 3: Cross multiply
    3,178.50x = 6,741 × 6,741
  4. Step 4: Simplify right side
    3,178.50x = 45,441,081
  5. Step 5: Solve for x
    x = 45,441,081/3,178.50
  6. Step 6: Final answer
    x = 14,296.39

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.