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Finding the Third Proportional to 5,439,441 and 11,839,701

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Solution

The third proportional to 5,439,441 and 11,839,701 is: 25,770,758.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439,441 : 11,839,701 = 11,839,701 : x
  2. Step 2: Convert to fraction form
    5,439,441/11,839,701 = 11,839,701/x
  3. Step 3: Cross multiply
    5,439,441x = 11,839,701 × 11,839,701
  4. Step 4: Simplify right side
    5,439,441x = 140,178,519,769,401
  5. Step 5: Solve for x
    x = 140,178,519,769,401/5,439,441
  6. Step 6: Final answer
    x = 25,770,758.39

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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.