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Finding the Third Proportional to 394,336 and 855,104

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Solution

The third proportional to 394,336 and 855,104 is: 1,854,263.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,336 : 855,104 = 855,104 : x
  2. Step 2: Convert to fraction form
    394,336/855,104 = 855,104/x
  3. Step 3: Cross multiply
    394,336x = 855,104 × 855,104
  4. Step 4: Simplify right side
    394,336x = 731,202,850,816
  5. Step 5: Solve for x
    x = 731,202,850,816/394,336
  6. Step 6: Final answer
    x = 1,854,263.50

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.