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Finding the Third Proportional to 3,324,780 and 7,181,000

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Solution

The third proportional to 3,324,780 and 7,181,000 is: 15,509,826.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324,780 : 7,181,000 = 7,181,000 : x
  2. Step 2: Convert to fraction form
    3,324,780/7,181,000 = 7,181,000/x
  3. Step 3: Cross multiply
    3,324,780x = 7,181,000 × 7,181,000
  4. Step 4: Simplify right side
    3,324,780x = 51,566,761,000,000
  5. Step 5: Solve for x
    x = 51,566,761,000,000/3,324,780
  6. Step 6: Final answer
    x = 15,509,826.51

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.