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Finding the Third Proportional to 442,992.75 and 664,344.75

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Solution

The third proportional to 442,992.75 and 664,344.75 is: 996,300.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,992.75 : 664,344.75 = 664,344.75 : x
  2. Step 2: Convert to fraction form
    442,992.75/664,344.75 = 664,344.75/x
  3. Step 3: Cross multiply
    442,992.75x = 664,344.75 × 664,344.75
  4. Step 4: Simplify right side
    442,992.75x = 441,353,946,852.56
  5. Step 5: Solve for x
    x = 441,353,946,852.56/442,992.75
  6. Step 6: Final answer
    x = 996,300.61

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