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Finding the Third Proportional to 206,978 and 446,604

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Solution

The third proportional to 206,978 and 446,604 is: 963,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,978 : 446,604 = 446,604 : x
  2. Step 2: Convert to fraction form
    206,978/446,604 = 446,604/x
  3. Step 3: Cross multiply
    206,978x = 446,604 × 446,604
  4. Step 4: Simplify right side
    206,978x = 199,455,132,816
  5. Step 5: Solve for x
    x = 199,455,132,816/206,978
  6. Step 6: Final answer
    x = 963,653.78

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