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Finding the Third Proportional to 8,449,512 and 18,245,928

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Solution

The third proportional to 8,449,512 and 18,245,928 is: 39,400,368.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449,512 : 18,245,928 = 18,245,928 : x
  2. Step 2: Convert to fraction form
    8,449,512/18,245,928 = 18,245,928/x
  3. Step 3: Cross multiply
    8,449,512x = 18,245,928 × 18,245,928
  4. Step 4: Simplify right side
    8,449,512x = 332,913,888,581,184
  5. Step 5: Solve for x
    x = 332,913,888,581,184/8,449,512
  6. Step 6: Final answer
    x = 39,400,368.75

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.