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Finding the Third Proportional to 489,714.75 and 693,564.75

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Solution

The third proportional to 489,714.75 and 693,564.75 is: 982,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,714.75 : 693,564.75 = 693,564.75 : x
  2. Step 2: Convert to fraction form
    489,714.75/693,564.75 = 693,564.75/x
  3. Step 3: Cross multiply
    489,714.75x = 693,564.75 × 693,564.75
  4. Step 4: Simplify right side
    489,714.75x = 481,032,062,442.56
  5. Step 5: Solve for x
    x = 481,032,062,442.56/489,714.75
  6. Step 6: Final answer
    x = 982,269.91

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