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Finding the Third Proportional to 21,793.50 and 47,199

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Solution

The third proportional to 21,793.50 and 47,199 is: 102,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,793.50 : 47,199 = 47,199 : x
  2. Step 2: Convert to fraction form
    21,793.50/47,199 = 47,199/x
  3. Step 3: Cross multiply
    21,793.50x = 47,199 × 47,199
  4. Step 4: Simplify right side
    21,793.50x = 2,227,745,601
  5. Step 5: Solve for x
    x = 2,227,745,601/21,793.50
  6. Step 6: Final answer
    x = 102,220.64

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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.