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Finding the Third Proportional to 81,681.75 and 122,523.75

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Solution

The third proportional to 81,681.75 and 122,523.75 is: 183,787.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,681.75 : 122,523.75 = 122,523.75 : x
  2. Step 2: Convert to fraction form
    81,681.75/122,523.75 = 122,523.75/x
  3. Step 3: Cross multiply
    81,681.75x = 122,523.75 × 122,523.75
  4. Step 4: Simplify right side
    81,681.75x = 15,012,069,314.06
  5. Step 5: Solve for x
    x = 15,012,069,314.06/81,681.75
  6. Step 6: Final answer
    x = 183,787.31

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