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Finding the Third Proportional to 218,565,561 and 356,860,110

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Solution

The third proportional to 218,565,561 and 356,860,110 is: 582,658,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,565,561 : 356,860,110 = 356,860,110 : x
  2. Step 2: Convert to fraction form
    218,565,561/356,860,110 = 356,860,110/x
  3. Step 3: Cross multiply
    218,565,561x = 356,860,110 × 356,860,110
  4. Step 4: Simplify right side
    218,565,561x = 127,349,138,109,212,096
  5. Step 5: Solve for x
    x = 127,349,138,109,212,096/218,565,561
  6. Step 6: Final answer
    x = 582,658,757.06

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These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.