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Finding the Third Proportional to 214,181 and 300,858

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Solution

The third proportional to 214,181 and 300,858 is: 422,612.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,181 : 300,858 = 300,858 : x
  2. Step 2: Convert to fraction form
    214,181/300,858 = 300,858/x
  3. Step 3: Cross multiply
    214,181x = 300,858 × 300,858
  4. Step 4: Simplify right side
    214,181x = 90,515,536,164
  5. Step 5: Solve for x
    x = 90,515,536,164/214,181
  6. Step 6: Final answer
    x = 422,612.35

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.