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Finding the Third Proportional to 20,440 and 44,105

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Solution

The third proportional to 20,440 and 44,105 is: 95,168.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,440 : 44,105 = 44,105 : x
  2. Step 2: Convert to fraction form
    20,440/44,105 = 44,105/x
  3. Step 3: Cross multiply
    20,440x = 44,105 × 44,105
  4. Step 4: Simplify right side
    20,440x = 1,945,251,025
  5. Step 5: Solve for x
    x = 1,945,251,025/20,440
  6. Step 6: Final answer
    x = 95,168.84

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.