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Finding the Third Proportional to 18,069.75 and 25,336.13

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Solution

The third proportional to 18,069.75 and 25,336.13 is: 35,524.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.75 : 25,336.13 = 25,336.13 : x
  2. Step 2: Convert to fraction form
    18,069.75/25,336.13 = 25,336.13/x
  3. Step 3: Cross multiply
    18,069.75x = 25,336.13 × 25,336.13
  4. Step 4: Simplify right side
    18,069.75x = 641,919,230.02
  5. Step 5: Solve for x
    x = 641,919,230.02/18,069.75
  6. Step 6: Final answer
    x = 35,524.52

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.