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Finding the Third Proportional to 331,489,116 and 520,008,600

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Solution

The third proportional to 331,489,116 and 520,008,600 is: 815,740,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,489,116 : 520,008,600 = 520,008,600 : x
  2. Step 2: Convert to fraction form
    331,489,116/520,008,600 = 520,008,600/x
  3. Step 3: Cross multiply
    331,489,116x = 520,008,600 × 520,008,600
  4. Step 4: Simplify right side
    331,489,116x = 270,408,944,073,960,000
  5. Step 5: Solve for x
    x = 270,408,944,073,960,000/331,489,116
  6. Step 6: Final answer
    x = 815,740,037.97

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.