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Finding the Third Proportional to 18,121,757,501.50 and 36,760,234,464

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Solution

The third proportional to 18,121,757,501.50 and 36,760,234,464 is: 74,568,641,465.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121,757,501.50 : 36,760,234,464 = 36,760,234,464 : x
  2. Step 2: Convert to fraction form
    18,121,757,501.50/36,760,234,464 = 36,760,234,464/x
  3. Step 3: Cross multiply
    18,121,757,501.50x = 36,760,234,464 × 36,760,234,464
  4. Step 4: Simplify right side
    18,121,757,501.50x = 1,351,314,837,848,253,267,968
  5. Step 5: Solve for x
    x = 1,351,314,837,848,253,267,968/18,121,757,501.50
  6. Step 6: Final answer
    x = 74,568,641,465.18

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.