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Finding the Third Proportional to 378,081.75 and 830,703.75

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Solution

The third proportional to 378,081.75 and 830,703.75 is: 1,825,183.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,081.75 : 830,703.75 = 830,703.75 : x
  2. Step 2: Convert to fraction form
    378,081.75/830,703.75 = 830,703.75/x
  3. Step 3: Cross multiply
    378,081.75x = 830,703.75 × 830,703.75
  4. Step 4: Simplify right side
    378,081.75x = 690,068,720,264.06
  5. Step 5: Solve for x
    x = 690,068,720,264.06/378,081.75
  6. Step 6: Final answer
    x = 1,825,183.89

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