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Finding the Third Proportional to 1,178,696,321.44 and 1,964,375,481.66

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Solution

The third proportional to 1,178,696,321.44 and 1,964,375,481.66 is: 3,273,761,835.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,696,321.44 : 1,964,375,481.66 = 1,964,375,481.66 : x
  2. Step 2: Convert to fraction form
    1,178,696,321.44/1,964,375,481.66 = 1,964,375,481.66/x
  3. Step 3: Cross multiply
    1,178,696,321.44x = 1,964,375,481.66 × 1,964,375,481.66
  4. Step 4: Simplify right side
    1,178,696,321.44x = 3,858,771,032,932,027,392
  5. Step 5: Solve for x
    x = 3,858,771,032,932,027,392/1,178,696,321.44
  6. Step 6: Final answer
    x = 3,273,761,835.64

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.