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Finding the Third Proportional to 3,281,261 and 5,135,612

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Solution

The third proportional to 3,281,261 and 5,135,612 is: 8,037,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,261 : 5,135,612 = 5,135,612 : x
  2. Step 2: Convert to fraction form
    3,281,261/5,135,612 = 5,135,612/x
  3. Step 3: Cross multiply
    3,281,261x = 5,135,612 × 5,135,612
  4. Step 4: Simplify right side
    3,281,261x = 26,374,510,614,544
  5. Step 5: Solve for x
    x = 26,374,510,614,544/3,281,261
  6. Step 6: Final answer
    x = 8,037,919.15

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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.