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Finding the Third Proportional to 3,080,667 and 6,869,678

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Solution

The third proportional to 3,080,667 and 6,869,678 is: 15,318,914.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080,667 : 6,869,678 = 6,869,678 : x
  2. Step 2: Convert to fraction form
    3,080,667/6,869,678 = 6,869,678/x
  3. Step 3: Cross multiply
    3,080,667x = 6,869,678 × 6,869,678
  4. Step 4: Simplify right side
    3,080,667x = 47,192,475,823,684
  5. Step 5: Solve for x
    x = 47,192,475,823,684/3,080,667
  6. Step 6: Final answer
    x = 15,318,914.97

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.