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Finding the Third Proportional to 20,512.50 and 30,192

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Solution

The third proportional to 20,512.50 and 30,192 is: 44,439.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,512.50 : 30,192 = 30,192 : x
  2. Step 2: Convert to fraction form
    20,512.50/30,192 = 30,192/x
  3. Step 3: Cross multiply
    20,512.50x = 30,192 × 30,192
  4. Step 4: Simplify right side
    20,512.50x = 911,556,864
  5. Step 5: Solve for x
    x = 911,556,864/20,512.50
  6. Step 6: Final answer
    x = 44,439.09

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.