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Finding the Third Proportional to 140,373,606 and 218,215,413

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Solution

The third proportional to 140,373,606 and 218,215,413 is: 339,223,076.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,373,606 : 218,215,413 = 218,215,413 : x
  2. Step 2: Convert to fraction form
    140,373,606/218,215,413 = 218,215,413/x
  3. Step 3: Cross multiply
    140,373,606x = 218,215,413 × 218,215,413
  4. Step 4: Simplify right side
    140,373,606x = 47,617,966,470,760,568
  5. Step 5: Solve for x
    x = 47,617,966,470,760,568/140,373,606
  6. Step 6: Final answer
    x = 339,223,076.39

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.