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Finding the Third Proportional to 5,912.25 and 8,869.31

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Solution

The third proportional to 5,912.25 and 8,869.31 is: 13,305.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.25 : 8,869.31 = 8,869.31 : x
  2. Step 2: Convert to fraction form
    5,912.25/8,869.31 = 8,869.31/x
  3. Step 3: Cross multiply
    5,912.25x = 8,869.31 × 8,869.31
  4. Step 4: Simplify right side
    5,912.25x = 78,664,704.22
  5. Step 5: Solve for x
    x = 78,664,704.22/5,912.25
  6. Step 6: Final answer
    x = 13,305.38

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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.