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Finding the Third Proportional to 11,561,969,889 and 18,397,366,992

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Solution

The third proportional to 11,561,969,889 and 18,397,366,992 is: 29,273,827,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561,969,889 : 18,397,366,992 = 18,397,366,992 : x
  2. Step 2: Convert to fraction form
    11,561,969,889/18,397,366,992 = 18,397,366,992/x
  3. Step 3: Cross multiply
    11,561,969,889x = 18,397,366,992 × 18,397,366,992
  4. Step 4: Simplify right side
    11,561,969,889x = 338,463,112,238,331,133,952
  5. Step 5: Solve for x
    x = 338,463,112,238,331,133,952/11,561,969,889
  6. Step 6: Final answer
    x = 29,273,827,512.76

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.