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Finding the Third Proportional to 7,926.75 and 11,868.19

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Solution

The third proportional to 7,926.75 and 11,868.19 is: 17,769.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.75 : 11,868.19 = 11,868.19 : x
  2. Step 2: Convert to fraction form
    7,926.75/11,868.19 = 11,868.19/x
  3. Step 3: Cross multiply
    7,926.75x = 11,868.19 × 11,868.19
  4. Step 4: Simplify right side
    7,926.75x = 140,853,874.54
  5. Step 5: Solve for x
    x = 140,853,874.54/7,926.75
  6. Step 6: Final answer
    x = 17,769.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.