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Finding the Third Proportional to 399,726.75 and 597,690.75

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Solution

The third proportional to 399,726.75 and 597,690.75 is: 893,696.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,726.75 : 597,690.75 = 597,690.75 : x
  2. Step 2: Convert to fraction form
    399,726.75/597,690.75 = 597,690.75/x
  3. Step 3: Cross multiply
    399,726.75x = 597,690.75 × 597,690.75
  4. Step 4: Simplify right side
    399,726.75x = 357,234,232,635.56
  5. Step 5: Solve for x
    x = 357,234,232,635.56/399,726.75
  6. Step 6: Final answer
    x = 893,696.09

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