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Finding the Third Proportional to 3,961.27 and 8,606.67

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Solution

The third proportional to 3,961.27 and 8,606.67 is: 18,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.27 : 8,606.67 = 8,606.67 : x
  2. Step 2: Convert to fraction form
    3,961.27/8,606.67 = 8,606.67/x
  3. Step 3: Cross multiply
    3,961.27x = 8,606.67 × 8,606.67
  4. Step 4: Simplify right side
    3,961.27x = 74,074,800.76
  5. Step 5: Solve for x
    x = 74,074,800.76/3,961.27
  6. Step 6: Final answer
    x = 18,699.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.