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Finding the Third Proportional to 20,448 and 44,240

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Solution

The third proportional to 20,448 and 44,240 is: 95,714.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,448 : 44,240 = 44,240 : x
  2. Step 2: Convert to fraction form
    20,448/44,240 = 44,240/x
  3. Step 3: Cross multiply
    20,448x = 44,240 × 44,240
  4. Step 4: Simplify right side
    20,448x = 1,957,177,600
  5. Step 5: Solve for x
    x = 1,957,177,600/20,448
  6. Step 6: Final answer
    x = 95,714.87

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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.