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Finding the Third Proportional to 136,449,434 and 222,786,039

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Solution

The third proportional to 136,449,434 and 222,786,039 is: 363,751,008.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,449,434 : 222,786,039 = 222,786,039 : x
  2. Step 2: Convert to fraction form
    136,449,434/222,786,039 = 222,786,039/x
  3. Step 3: Cross multiply
    136,449,434x = 222,786,039 × 222,786,039
  4. Step 4: Simplify right side
    136,449,434x = 49,633,619,173,309,520
  5. Step 5: Solve for x
    x = 49,633,619,173,309,520/136,449,434
  6. Step 6: Final answer
    x = 363,751,008.11

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.