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Finding the Third Proportional to 394,206 and 863,994

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Solution

The third proportional to 394,206 and 863,994 is: 1,893,643.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,206 : 863,994 = 863,994 : x
  2. Step 2: Convert to fraction form
    394,206/863,994 = 863,994/x
  3. Step 3: Cross multiply
    394,206x = 863,994 × 863,994
  4. Step 4: Simplify right side
    394,206x = 746,485,632,036
  5. Step 5: Solve for x
    x = 746,485,632,036/394,206
  6. Step 6: Final answer
    x = 1,893,643.51

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.