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Finding the Third Proportional to 33,728 and 48,586

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Solution

The third proportional to 33,728 and 48,586 is: 69,989.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,728 : 48,586 = 48,586 : x
  2. Step 2: Convert to fraction form
    33,728/48,586 = 48,586/x
  3. Step 3: Cross multiply
    33,728x = 48,586 × 48,586
  4. Step 4: Simplify right side
    33,728x = 2,360,599,396
  5. Step 5: Solve for x
    x = 2,360,599,396/33,728
  6. Step 6: Final answer
    x = 69,989.31

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.