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Finding the Third Proportional to 283,425.75 and 438,828.75

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Solution

The third proportional to 283,425.75 and 438,828.75 is: 679,439.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,425.75 : 438,828.75 = 438,828.75 : x
  2. Step 2: Convert to fraction form
    283,425.75/438,828.75 = 438,828.75/x
  3. Step 3: Cross multiply
    283,425.75x = 438,828.75 × 438,828.75
  4. Step 4: Simplify right side
    283,425.75x = 192,570,671,826.56
  5. Step 5: Solve for x
    x = 192,570,671,826.56/283,425.75
  6. Step 6: Final answer
    x = 679,439.58

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