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Finding the Third Proportional to 2,887,992 and 4,489,941

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Solution

The third proportional to 2,887,992 and 4,489,941 is: 6,980,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,992 : 4,489,941 = 4,489,941 : x
  2. Step 2: Convert to fraction form
    2,887,992/4,489,941 = 4,489,941/x
  3. Step 3: Cross multiply
    2,887,992x = 4,489,941 × 4,489,941
  4. Step 4: Simplify right side
    2,887,992x = 20,159,570,183,481
  5. Step 5: Solve for x
    x = 20,159,570,183,481/2,887,992
  6. Step 6: Final answer
    x = 6,980,479.93

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.