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Finding the Third Proportional to 73,340,379 and 155,424,610

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Solution

The third proportional to 73,340,379 and 155,424,610 is: 329,379,391.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,340,379 : 155,424,610 = 155,424,610 : x
  2. Step 2: Convert to fraction form
    73,340,379/155,424,610 = 155,424,610/x
  3. Step 3: Cross multiply
    73,340,379x = 155,424,610 × 155,424,610
  4. Step 4: Simplify right side
    73,340,379x = 24,156,809,393,652,100
  5. Step 5: Solve for x
    x = 24,156,809,393,652,100/73,340,379
  6. Step 6: Final answer
    x = 329,379,391.31

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.