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Finding the Third Proportional to 331,350,960 and 518,659,272

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Solution

The third proportional to 331,350,960 and 518,659,272 is: 811,850,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,350,960 : 518,659,272 = 518,659,272 : x
  2. Step 2: Convert to fraction form
    331,350,960/518,659,272 = 518,659,272/x
  3. Step 3: Cross multiply
    331,350,960x = 518,659,272 × 518,659,272
  4. Step 4: Simplify right side
    331,350,960x = 269,007,440,431,569,984
  5. Step 5: Solve for x
    x = 269,007,440,431,569,984/331,350,960
  6. Step 6: Final answer
    x = 811,850,493.60

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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.