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Finding the Third Proportional to 90,626,067 and 139,379,544

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Solution

The third proportional to 90,626,067 and 139,379,544 is: 214,360,591.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,626,067 : 139,379,544 = 139,379,544 : x
  2. Step 2: Convert to fraction form
    90,626,067/139,379,544 = 139,379,544/x
  3. Step 3: Cross multiply
    90,626,067x = 139,379,544 × 139,379,544
  4. Step 4: Simplify right side
    90,626,067x = 19,426,657,285,647,936
  5. Step 5: Solve for x
    x = 19,426,657,285,647,936/90,626,067
  6. Step 6: Final answer
    x = 214,360,591.04

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.