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Finding the Third Proportional to 8,958,728 and 19,410,448

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Solution

The third proportional to 8,958,728 and 19,410,448 is: 42,055,690.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958,728 : 19,410,448 = 19,410,448 : x
  2. Step 2: Convert to fraction form
    8,958,728/19,410,448 = 19,410,448/x
  3. Step 3: Cross multiply
    8,958,728x = 19,410,448 × 19,410,448
  4. Step 4: Simplify right side
    8,958,728x = 376,765,491,560,704
  5. Step 5: Solve for x
    x = 376,765,491,560,704/8,958,728
  6. Step 6: Final answer
    x = 42,055,690.45

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.