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Finding the Third Proportional to 331,350,952 and 518,659,260

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Solution

The third proportional to 331,350,952 and 518,659,260 is: 811,850,475.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,350,952 : 518,659,260 = 518,659,260 : x
  2. Step 2: Convert to fraction form
    331,350,952/518,659,260 = 518,659,260/x
  3. Step 3: Cross multiply
    331,350,952x = 518,659,260 × 518,659,260
  4. Step 4: Simplify right side
    331,350,952x = 269,007,427,983,747,584
  5. Step 5: Solve for x
    x = 269,007,427,983,747,584/331,350,952
  6. Step 6: Final answer
    x = 811,850,475.64

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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.