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Finding the Third Proportional to 18,963.38 and 41,571.75

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Solution

The third proportional to 18,963.38 and 41,571.75 is: 91,134.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,963.38 : 41,571.75 = 41,571.75 : x
  2. Step 2: Convert to fraction form
    18,963.38/41,571.75 = 41,571.75/x
  3. Step 3: Cross multiply
    18,963.38x = 41,571.75 × 41,571.75
  4. Step 4: Simplify right side
    18,963.38x = 1,728,210,398.06
  5. Step 5: Solve for x
    x = 1,728,210,398.06/18,963.38
  6. Step 6: Final answer
    x = 91,134.12

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.