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Finding the Third Proportional to 331,350,956 and 518,659,266

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Solution

The third proportional to 331,350,956 and 518,659,266 is: 811,850,484.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,350,956 : 518,659,266 = 518,659,266 : x
  2. Step 2: Convert to fraction form
    331,350,956/518,659,266 = 518,659,266/x
  3. Step 3: Cross multiply
    331,350,956x = 518,659,266 × 518,659,266
  4. Step 4: Simplify right side
    331,350,956x = 269,007,434,207,658,752
  5. Step 5: Solve for x
    x = 269,007,434,207,658,752/331,350,956
  6. Step 6: Final answer
    x = 811,850,484.62

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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.