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Finding the Third Proportional to 17,769.38 and 38,292.75

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Solution

The third proportional to 17,769.38 and 38,292.75 is: 82,520.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,769.38 : 38,292.75 = 38,292.75 : x
  2. Step 2: Convert to fraction form
    17,769.38/38,292.75 = 38,292.75/x
  3. Step 3: Cross multiply
    17,769.38x = 38,292.75 × 38,292.75
  4. Step 4: Simplify right side
    17,769.38x = 1,466,334,702.56
  5. Step 5: Solve for x
    x = 1,466,334,702.56/17,769.38
  6. Step 6: Final answer
    x = 82,520.33

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.