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Finding the Third Proportional to 503,693.75 and 698,121.75

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Solution

The third proportional to 503,693.75 and 698,121.75 is: 967,599.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,693.75 : 698,121.75 = 698,121.75 : x
  2. Step 2: Convert to fraction form
    503,693.75/698,121.75 = 698,121.75/x
  3. Step 3: Cross multiply
    503,693.75x = 698,121.75 × 698,121.75
  4. Step 4: Simplify right side
    503,693.75x = 487,373,977,823.06
  5. Step 5: Solve for x
    x = 487,373,977,823.06/503,693.75
  6. Step 6: Final answer
    x = 967,599.81

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