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Finding the Third Proportional to 211,890 and 464,244

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Solution

The third proportional to 211,890 and 464,244 is: 1,017,143.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,890 : 464,244 = 464,244 : x
  2. Step 2: Convert to fraction form
    211,890/464,244 = 464,244/x
  3. Step 3: Cross multiply
    211,890x = 464,244 × 464,244
  4. Step 4: Simplify right side
    211,890x = 215,522,491,536
  5. Step 5: Solve for x
    x = 215,522,491,536/211,890
  6. Step 6: Final answer
    x = 1,017,143.29

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.