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Finding the Third Proportional to 9,992,892 and 20,770,824

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Solution

The third proportional to 9,992,892 and 20,770,824 is: 43,173,400.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992,892 : 20,770,824 = 20,770,824 : x
  2. Step 2: Convert to fraction form
    9,992,892/20,770,824 = 20,770,824/x
  3. Step 3: Cross multiply
    9,992,892x = 20,770,824 × 20,770,824
  4. Step 4: Simplify right side
    9,992,892x = 431,427,129,638,976
  5. Step 5: Solve for x
    x = 431,427,129,638,976/9,992,892
  6. Step 6: Final answer
    x = 43,173,400.62

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.