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Finding the Third Proportional to 4,201,068 and 8,999,916

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Solution

The third proportional to 4,201,068 and 8,999,916 is: 19,280,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201,068 : 8,999,916 = 8,999,916 : x
  2. Step 2: Convert to fraction form
    4,201,068/8,999,916 = 8,999,916/x
  3. Step 3: Cross multiply
    4,201,068x = 8,999,916 × 8,999,916
  4. Step 4: Simplify right side
    4,201,068x = 80,998,488,007,056
  5. Step 5: Solve for x
    x = 80,998,488,007,056/4,201,068
  6. Step 6: Final answer
    x = 19,280,451.54

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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.