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Finding the Third Proportional to 3,489,450 and 5,251,647

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Solution

The third proportional to 3,489,450 and 5,251,647 is: 7,903,765.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489,450 : 5,251,647 = 5,251,647 : x
  2. Step 2: Convert to fraction form
    3,489,450/5,251,647 = 5,251,647/x
  3. Step 3: Cross multiply
    3,489,450x = 5,251,647 × 5,251,647
  4. Step 4: Simplify right side
    3,489,450x = 27,579,796,212,609
  5. Step 5: Solve for x
    x = 27,579,796,212,609/3,489,450
  6. Step 6: Final answer
    x = 7,903,765.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.