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Finding the Third Proportional to 18,867.94 and 41,370.75

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Solution

The third proportional to 18,867.94 and 41,370.75 is: 90,711.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,867.94 : 41,370.75 = 41,370.75 : x
  2. Step 2: Convert to fraction form
    18,867.94/41,370.75 = 41,370.75/x
  3. Step 3: Cross multiply
    18,867.94x = 41,370.75 × 41,370.75
  4. Step 4: Simplify right side
    18,867.94x = 1,711,538,955.56
  5. Step 5: Solve for x
    x = 1,711,538,955.56/18,867.94
  6. Step 6: Final answer
    x = 90,711.50

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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.