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Finding the Third Proportional to 20,728 and 44,732

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Solution

The third proportional to 20,728 and 44,732 is: 96,533.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,728 : 44,732 = 44,732 : x
  2. Step 2: Convert to fraction form
    20,728/44,732 = 44,732/x
  3. Step 3: Cross multiply
    20,728x = 44,732 × 44,732
  4. Step 4: Simplify right side
    20,728x = 2,000,951,824
  5. Step 5: Solve for x
    x = 2,000,951,824/20,728
  6. Step 6: Final answer
    x = 96,533.76

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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.