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Finding the Third Proportional to 9,847.31 and 14,778.19

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Solution

The third proportional to 9,847.31 and 14,778.19 is: 22,178.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,847.31 : 14,778.19 = 14,778.19 : x
  2. Step 2: Convert to fraction form
    9,847.31/14,778.19 = 14,778.19/x
  3. Step 3: Cross multiply
    9,847.31x = 14,778.19 × 14,778.19
  4. Step 4: Simplify right side
    9,847.31x = 218,394,825.79
  5. Step 5: Solve for x
    x = 218,394,825.79/9,847.31
  6. Step 6: Final answer
    x = 22,178.11

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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.