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Finding the Third Proportional to 294,829.88 and 639,717.75

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Solution

The third proportional to 294,829.88 and 639,717.75 is: 1,388,050.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,829.88 : 639,717.75 = 639,717.75 : x
  2. Step 2: Convert to fraction form
    294,829.88/639,717.75 = 639,717.75/x
  3. Step 3: Cross multiply
    294,829.88x = 639,717.75 × 639,717.75
  4. Step 4: Simplify right side
    294,829.88x = 409,238,799,665.06
  5. Step 5: Solve for x
    x = 409,238,799,665.06/294,829.88
  6. Step 6: Final answer
    x = 1,388,050.65

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