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Finding the Third Proportional to 12,995,296 and 20,201,704

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Solution

The third proportional to 12,995,296 and 20,201,704 is: 31,404,351.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995,296 : 20,201,704 = 20,201,704 : x
  2. Step 2: Convert to fraction form
    12,995,296/20,201,704 = 20,201,704/x
  3. Step 3: Cross multiply
    12,995,296x = 20,201,704 × 20,201,704
  4. Step 4: Simplify right side
    12,995,296x = 408,108,844,503,616
  5. Step 5: Solve for x
    x = 408,108,844,503,616/12,995,296
  6. Step 6: Final answer
    x = 31,404,351.58

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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.