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Finding the Third Proportional to 12,647,757 and 18,936,963

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Solution

The third proportional to 12,647,757 and 18,936,963 is: 28,353,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647,757 : 18,936,963 = 18,936,963 : x
  2. Step 2: Convert to fraction form
    12,647,757/18,936,963 = 18,936,963/x
  3. Step 3: Cross multiply
    12,647,757x = 18,936,963 × 18,936,963
  4. Step 4: Simplify right side
    12,647,757x = 358,608,567,663,369
  5. Step 5: Solve for x
    x = 358,608,567,663,369/12,647,757
  6. Step 6: Final answer
    x = 28,353,530.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.