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Finding the Third Proportional to 3,167.81 and 6,745.50

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Solution

The third proportional to 3,167.81 and 6,745.50 is: 14,363.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.81 : 6,745.50 = 6,745.50 : x
  2. Step 2: Convert to fraction form
    3,167.81/6,745.50 = 6,745.50/x
  3. Step 3: Cross multiply
    3,167.81x = 6,745.50 × 6,745.50
  4. Step 4: Simplify right side
    3,167.81x = 45,501,770.25
  5. Step 5: Solve for x
    x = 45,501,770.25/3,167.81
  6. Step 6: Final answer
    x = 14,363.78

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.