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Finding the Third Proportional to 399,934 and 844,832

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Solution

The third proportional to 399,934 and 844,832 is: 1,784,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,934 : 844,832 = 844,832 : x
  2. Step 2: Convert to fraction form
    399,934/844,832 = 844,832/x
  3. Step 3: Cross multiply
    399,934x = 844,832 × 844,832
  4. Step 4: Simplify right side
    399,934x = 713,741,108,224
  5. Step 5: Solve for x
    x = 713,741,108,224/399,934
  6. Step 6: Final answer
    x = 1,784,647.24

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.