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Finding the Third Proportional to 21,843 and 47,394

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Solution

The third proportional to 21,843 and 47,394 is: 102,833.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,843 : 47,394 = 47,394 : x
  2. Step 2: Convert to fraction form
    21,843/47,394 = 47,394/x
  3. Step 3: Cross multiply
    21,843x = 47,394 × 47,394
  4. Step 4: Simplify right side
    21,843x = 2,246,191,236
  5. Step 5: Solve for x
    x = 2,246,191,236/21,843
  6. Step 6: Final answer
    x = 102,833.46

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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.