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Finding the Third Proportional to 262,121,978.25 and 406,994,328

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Solution

The third proportional to 262,121,978.25 and 406,994,328 is: 631,936,261.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,121,978.25 : 406,994,328 = 406,994,328 : x
  2. Step 2: Convert to fraction form
    262,121,978.25/406,994,328 = 406,994,328/x
  3. Step 3: Cross multiply
    262,121,978.25x = 406,994,328 × 406,994,328
  4. Step 4: Simplify right side
    262,121,978.25x = 165,644,383,024,171,584
  5. Step 5: Solve for x
    x = 165,644,383,024,171,584/262,121,978.25
  6. Step 6: Final answer
    x = 631,936,261.62

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