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Finding the Third Proportional to 49,632 and 68,976

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Solution

The third proportional to 49,632 and 68,976 is: 95,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,632 : 68,976 = 68,976 : x
  2. Step 2: Convert to fraction form
    49,632/68,976 = 68,976/x
  3. Step 3: Cross multiply
    49,632x = 68,976 × 68,976
  4. Step 4: Simplify right side
    49,632x = 4,757,688,576
  5. Step 5: Solve for x
    x = 4,757,688,576/49,632
  6. Step 6: Final answer
    x = 95,859.30

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.