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Finding the Third Proportional to 18,969.75 and 41,568.75

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Solution

The third proportional to 18,969.75 and 41,568.75 is: 91,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,969.75 : 41,568.75 = 41,568.75 : x
  2. Step 2: Convert to fraction form
    18,969.75/41,568.75 = 41,568.75/x
  3. Step 3: Cross multiply
    18,969.75x = 41,568.75 × 41,568.75
  4. Step 4: Simplify right side
    18,969.75x = 1,727,960,976.56
  5. Step 5: Solve for x
    x = 1,727,960,976.56/18,969.75
  6. Step 6: Final answer
    x = 91,090.34

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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.