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Finding the Third Proportional to 20,138.63 and 43,193.25

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Solution

The third proportional to 20,138.63 and 43,193.25 is: 92,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,138.63 : 43,193.25 = 43,193.25 : x
  2. Step 2: Convert to fraction form
    20,138.63/43,193.25 = 43,193.25/x
  3. Step 3: Cross multiply
    20,138.63x = 43,193.25 × 43,193.25
  4. Step 4: Simplify right side
    20,138.63x = 1,865,656,845.56
  5. Step 5: Solve for x
    x = 1,865,656,845.56/20,138.63
  6. Step 6: Final answer
    x = 92,640.73

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.