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Finding the Third Proportional to 18,121,757,577 and 36,760,234,620

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Solution

The third proportional to 18,121,757,577 and 36,760,234,620 is: 74,568,641,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121,757,577 : 36,760,234,620 = 36,760,234,620 : x
  2. Step 2: Convert to fraction form
    18,121,757,577/36,760,234,620 = 36,760,234,620/x
  3. Step 3: Cross multiply
    18,121,757,577x = 36,760,234,620 × 36,760,234,620
  4. Step 4: Simplify right side
    18,121,757,577x = 1,351,314,849,317,446,483,968
  5. Step 5: Solve for x
    x = 1,351,314,849,317,446,483,968/18,121,757,577
  6. Step 6: Final answer
    x = 74,568,641,787.40

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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.