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Finding the Third Proportional to 154,339,938 and 339,769,170

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Solution

The third proportional to 154,339,938 and 339,769,170 is: 747,979,365.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,339,938 : 339,769,170 = 339,769,170 : x
  2. Step 2: Convert to fraction form
    154,339,938/339,769,170 = 339,769,170/x
  3. Step 3: Cross multiply
    154,339,938x = 339,769,170 × 339,769,170
  4. Step 4: Simplify right side
    154,339,938x = 115,443,088,882,488,896
  5. Step 5: Solve for x
    x = 115,443,088,882,488,896/154,339,938
  6. Step 6: Final answer
    x = 747,979,365.41

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.