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Finding the Third Proportional to 182,900,872 and 394,518,416

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Solution

The third proportional to 182,900,872 and 394,518,416 is: 850,978,887.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,900,872 : 394,518,416 = 394,518,416 : x
  2. Step 2: Convert to fraction form
    182,900,872/394,518,416 = 394,518,416/x
  3. Step 3: Cross multiply
    182,900,872x = 394,518,416 × 394,518,416
  4. Step 4: Simplify right side
    182,900,872x = 155,644,780,563,149,056
  5. Step 5: Solve for x
    x = 155,644,780,563,149,056/182,900,872
  6. Step 6: Final answer
    x = 850,978,887.42

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.