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Finding the Third Proportional to 15,815,256 and 34,530,474

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Solution

The third proportional to 15,815,256 and 34,530,474 is: 75,392,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815,256 : 34,530,474 = 34,530,474 : x
  2. Step 2: Convert to fraction form
    15,815,256/34,530,474 = 34,530,474/x
  3. Step 3: Cross multiply
    15,815,256x = 34,530,474 × 34,530,474
  4. Step 4: Simplify right side
    15,815,256x = 1,192,353,634,664,676
  5. Step 5: Solve for x
    x = 1,192,353,634,664,676/15,815,256
  6. Step 6: Final answer
    x = 75,392,623.09

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.