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Finding the Third Proportional to 28,121.06 and 39,550.31

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Solution

The third proportional to 28,121.06 and 39,550.31 is: 55,624.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,121.06 : 39,550.31 = 39,550.31 : x
  2. Step 2: Convert to fraction form
    28,121.06/39,550.31 = 39,550.31/x
  3. Step 3: Cross multiply
    28,121.06x = 39,550.31 × 39,550.31
  4. Step 4: Simplify right side
    28,121.06x = 1,564,227,218.85
  5. Step 5: Solve for x
    x = 1,564,227,218.85/28,121.06
  6. Step 6: Final answer
    x = 55,624.76

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.