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Finding the Third Proportional to 20,193.75 and 30,996

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Solution

The third proportional to 20,193.75 and 30,996 is: 47,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.75 : 30,996 = 30,996 : x
  2. Step 2: Convert to fraction form
    20,193.75/30,996 = 30,996/x
  3. Step 3: Cross multiply
    20,193.75x = 30,996 × 30,996
  4. Step 4: Simplify right side
    20,193.75x = 960,752,016
  5. Step 5: Solve for x
    x = 960,752,016/20,193.75
  6. Step 6: Final answer
    x = 47,576.70

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.