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Finding the Third Proportional to 986,469 and 2,119,793

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Solution

The third proportional to 986,469 and 2,119,793 is: 4,555,158.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,469 : 2,119,793 = 2,119,793 : x
  2. Step 2: Convert to fraction form
    986,469/2,119,793 = 2,119,793/x
  3. Step 3: Cross multiply
    986,469x = 2,119,793 × 2,119,793
  4. Step 4: Simplify right side
    986,469x = 4,493,522,362,849
  5. Step 5: Solve for x
    x = 4,493,522,362,849/986,469
  6. Step 6: Final answer
    x = 4,555,158.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.