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Finding the Third Proportional to 100,907,866 and 155,901,039

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Solution

The third proportional to 100,907,866 and 155,901,039 is: 240,864,611.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,907,866 : 155,901,039 = 155,901,039 : x
  2. Step 2: Convert to fraction form
    100,907,866/155,901,039 = 155,901,039/x
  3. Step 3: Cross multiply
    100,907,866x = 155,901,039 × 155,901,039
  4. Step 4: Simplify right side
    100,907,866x = 24,305,133,961,279,520
  5. Step 5: Solve for x
    x = 24,305,133,961,279,520/100,907,866
  6. Step 6: Final answer
    x = 240,864,611.70

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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.