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Finding the Third Proportional to 4,040,015 and 8,647,516

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Solution

The third proportional to 4,040,015 and 8,647,516 is: 18,509,716.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040,015 : 8,647,516 = 8,647,516 : x
  2. Step 2: Convert to fraction form
    4,040,015/8,647,516 = 8,647,516/x
  3. Step 3: Cross multiply
    4,040,015x = 8,647,516 × 8,647,516
  4. Step 4: Simplify right side
    4,040,015x = 74,779,532,970,256
  5. Step 5: Solve for x
    x = 74,779,532,970,256/4,040,015
  6. Step 6: Final answer
    x = 18,509,716.66

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.