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Finding the Third Proportional to 18,573,845,939 and 28,400,964,150

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Solution

The third proportional to 18,573,845,939 and 28,400,964,150 is: 43,427,449,936.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573,845,939 : 28,400,964,150 = 28,400,964,150 : x
  2. Step 2: Convert to fraction form
    18,573,845,939/28,400,964,150 = 28,400,964,150/x
  3. Step 3: Cross multiply
    18,573,845,939x = 28,400,964,150 × 28,400,964,150
  4. Step 4: Simplify right side
    18,573,845,939x = 806,614,764,649,585,180,672
  5. Step 5: Solve for x
    x = 806,614,764,649,585,180,672/18,573,845,939
  6. Step 6: Final answer
    x = 43,427,449,936.79

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.