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Finding the Third Proportional to 20,440.69 and 27,608.34

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Solution

The third proportional to 20,440.69 and 27,608.34 is: 37,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,440.69 : 27,608.34 = 27,608.34 : x
  2. Step 2: Convert to fraction form
    20,440.69/27,608.34 = 27,608.34/x
  3. Step 3: Cross multiply
    20,440.69x = 27,608.34 × 27,608.34
  4. Step 4: Simplify right side
    20,440.69x = 762,220,644.62
  5. Step 5: Solve for x
    x = 762,220,644.62/20,440.69
  6. Step 6: Final answer
    x = 37,289.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.