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Finding the Third Proportional to 4,999,986 and 7,079,589

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Solution

The third proportional to 4,999,986 and 7,079,589 is: 10,024,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999,986 : 7,079,589 = 7,079,589 : x
  2. Step 2: Convert to fraction form
    4,999,986/7,079,589 = 7,079,589/x
  3. Step 3: Cross multiply
    4,999,986x = 7,079,589 × 7,079,589
  4. Step 4: Simplify right side
    4,999,986x = 50,120,580,408,921
  5. Step 5: Solve for x
    x = 50,120,580,408,921/4,999,986
  6. Step 6: Final answer
    x = 10,024,144.15

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.