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Finding the Third Proportional to 18,935.25 and 39,867.75

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Solution

The third proportional to 18,935.25 and 39,867.75 is: 83,940.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,935.25 : 39,867.75 = 39,867.75 : x
  2. Step 2: Convert to fraction form
    18,935.25/39,867.75 = 39,867.75/x
  3. Step 3: Cross multiply
    18,935.25x = 39,867.75 × 39,867.75
  4. Step 4: Simplify right side
    18,935.25x = 1,589,437,490.06
  5. Step 5: Solve for x
    x = 1,589,437,490.06/18,935.25
  6. Step 6: Final answer
    x = 83,940.67

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These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.