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Finding the Third Proportional to 2,129,435 and 3,190,872

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Solution

The third proportional to 2,129,435 and 3,190,872 is: 4,781,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,435 : 3,190,872 = 3,190,872 : x
  2. Step 2: Convert to fraction form
    2,129,435/3,190,872 = 3,190,872/x
  3. Step 3: Cross multiply
    2,129,435x = 3,190,872 × 3,190,872
  4. Step 4: Simplify right side
    2,129,435x = 10,181,664,120,384
  5. Step 5: Solve for x
    x = 10,181,664,120,384/2,129,435
  6. Step 6: Final answer
    x = 4,781,392.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.