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Finding the Third Proportional to 20,636 and 44,728

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Solution

The third proportional to 20,636 and 44,728 is: 96,946.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,636 : 44,728 = 44,728 : x
  2. Step 2: Convert to fraction form
    20,636/44,728 = 44,728/x
  3. Step 3: Cross multiply
    20,636x = 44,728 × 44,728
  4. Step 4: Simplify right side
    20,636x = 2,000,593,984
  5. Step 5: Solve for x
    x = 2,000,593,984/20,636
  6. Step 6: Final answer
    x = 96,946.79

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.