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Finding the Third Proportional to 18,450 and 40,027

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Solution

The third proportional to 18,450 and 40,027 is: 86,837.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450 : 40,027 = 40,027 : x
  2. Step 2: Convert to fraction form
    18,450/40,027 = 40,027/x
  3. Step 3: Cross multiply
    18,450x = 40,027 × 40,027
  4. Step 4: Simplify right side
    18,450x = 1,602,160,729
  5. Step 5: Solve for x
    x = 1,602,160,729/18,450
  6. Step 6: Final answer
    x = 86,837.98

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.