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Finding the Third Proportional to 18,285.75 and 25,697.25

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Solution

The third proportional to 18,285.75 and 25,697.25 is: 36,112.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285.75 : 25,697.25 = 25,697.25 : x
  2. Step 2: Convert to fraction form
    18,285.75/25,697.25 = 25,697.25/x
  3. Step 3: Cross multiply
    18,285.75x = 25,697.25 × 25,697.25
  4. Step 4: Simplify right side
    18,285.75x = 660,348,657.56
  5. Step 5: Solve for x
    x = 660,348,657.56/18,285.75
  6. Step 6: Final answer
    x = 36,112.75

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.