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Finding the Third Proportional to 3,281,260 and 5,135,609

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Solution

The third proportional to 3,281,260 and 5,135,609 is: 8,037,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,260 : 5,135,609 = 5,135,609 : x
  2. Step 2: Convert to fraction form
    3,281,260/5,135,609 = 5,135,609/x
  3. Step 3: Cross multiply
    3,281,260x = 5,135,609 × 5,135,609
  4. Step 4: Simplify right side
    3,281,260x = 26,374,479,800,881
  5. Step 5: Solve for x
    x = 26,374,479,800,881/3,281,260
  6. Step 6: Final answer
    x = 8,037,912.20

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.