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Finding the Third Proportional to 168,269,478 and 251,731,563

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Solution

The third proportional to 168,269,478 and 251,731,563 is: 376,591,052.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,269,478 : 251,731,563 = 251,731,563 : x
  2. Step 2: Convert to fraction form
    168,269,478/251,731,563 = 251,731,563/x
  3. Step 3: Cross multiply
    168,269,478x = 251,731,563 × 251,731,563
  4. Step 4: Simplify right side
    168,269,478x = 63,368,779,810,422,968
  5. Step 5: Solve for x
    x = 63,368,779,810,422,968/168,269,478
  6. Step 6: Final answer
    x = 376,591,052.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.