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Finding the Third Proportional to 18,418.64 and 33,351.75

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Solution

The third proportional to 18,418.64 and 33,351.75 is: 60,392.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.64 : 33,351.75 = 33,351.75 : x
  2. Step 2: Convert to fraction form
    18,418.64/33,351.75 = 33,351.75/x
  3. Step 3: Cross multiply
    18,418.64x = 33,351.75 × 33,351.75
  4. Step 4: Simplify right side
    18,418.64x = 1,112,339,228.06
  5. Step 5: Solve for x
    x = 1,112,339,228.06/18,418.64
  6. Step 6: Final answer
    x = 60,392.04

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Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.