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Finding the Third Proportional to 18,939.94 and 28,043.44

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Solution

The third proportional to 18,939.94 and 28,043.44 is: 41,522.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,939.94 : 28,043.44 = 28,043.44 : x
  2. Step 2: Convert to fraction form
    18,939.94/28,043.44 = 28,043.44/x
  3. Step 3: Cross multiply
    18,939.94x = 28,043.44 × 28,043.44
  4. Step 4: Simplify right side
    18,939.94x = 786,434,386.82
  5. Step 5: Solve for x
    x = 786,434,386.82/18,939.94
  6. Step 6: Final answer
    x = 41,522.54

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.