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Finding the Third Proportional to 11,561,969,886 and 18,397,366,986.50

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Solution

The third proportional to 11,561,969,886 and 18,397,366,986.50 is: 29,273,827,502.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561,969,886 : 18,397,366,986.50 = 18,397,366,986.50 : x
  2. Step 2: Convert to fraction form
    11,561,969,886/18,397,366,986.50 = 18,397,366,986.50/x
  3. Step 3: Cross multiply
    11,561,969,886x = 18,397,366,986.50 × 18,397,366,986.50
  4. Step 4: Simplify right side
    11,561,969,886x = 338,463,112,035,960,094,720
  5. Step 5: Solve for x
    x = 338,463,112,035,960,094,720/11,561,969,886
  6. Step 6: Final answer
    x = 29,273,827,502.85

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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.