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Finding the Third Proportional to 19,912.50 and 27,059

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Solution

The third proportional to 19,912.50 and 27,059 is: 36,770.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,912.50 : 27,059 = 27,059 : x
  2. Step 2: Convert to fraction form
    19,912.50/27,059 = 27,059/x
  3. Step 3: Cross multiply
    19,912.50x = 27,059 × 27,059
  4. Step 4: Simplify right side
    19,912.50x = 732,189,481
  5. Step 5: Solve for x
    x = 732,189,481/19,912.50
  6. Step 6: Final answer
    x = 36,770.34

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.