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Finding the Third Proportional to 20,138.63 and 41,573.25

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Solution

The third proportional to 20,138.63 and 41,573.25 is: 85,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,138.63 : 41,573.25 = 41,573.25 : x
  2. Step 2: Convert to fraction form
    20,138.63/41,573.25 = 41,573.25/x
  3. Step 3: Cross multiply
    20,138.63x = 41,573.25 × 41,573.25
  4. Step 4: Simplify right side
    20,138.63x = 1,728,335,115.56
  5. Step 5: Solve for x
    x = 1,728,335,115.56/20,138.63
  6. Step 6: Final answer
    x = 85,821.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.