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Finding the Third Proportional to 251,982.75 and 390,163.13

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Solution

The third proportional to 251,982.75 and 390,163.13 is: 604,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,982.75 : 390,163.13 = 390,163.13 : x
  2. Step 2: Convert to fraction form
    251,982.75/390,163.13 = 390,163.13/x
  3. Step 3: Cross multiply
    251,982.75x = 390,163.13 × 390,163.13
  4. Step 4: Simplify right side
    251,982.75x = 152,227,264,109.77
  5. Step 5: Solve for x
    x = 152,227,264,109.77/251,982.75
  6. Step 6: Final answer
    x = 604,117.80

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