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Finding the Third Proportional to 3,120,990 and 6,707,568

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Solution

The third proportional to 3,120,990 and 6,707,568 is: 14,415,768.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,990 : 6,707,568 = 6,707,568 : x
  2. Step 2: Convert to fraction form
    3,120,990/6,707,568 = 6,707,568/x
  3. Step 3: Cross multiply
    3,120,990x = 6,707,568 × 6,707,568
  4. Step 4: Simplify right side
    3,120,990x = 44,991,468,474,624
  5. Step 5: Solve for x
    x = 44,991,468,474,624/3,120,990
  6. Step 6: Final answer
    x = 14,415,768.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.