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Finding the Third Proportional to 3,636 and 7,704.75

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Solution

The third proportional to 3,636 and 7,704.75 is: 16,326.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636 : 7,704.75 = 7,704.75 : x
  2. Step 2: Convert to fraction form
    3,636/7,704.75 = 7,704.75/x
  3. Step 3: Cross multiply
    3,636x = 7,704.75 × 7,704.75
  4. Step 4: Simplify right side
    3,636x = 59,363,172.56
  5. Step 5: Solve for x
    x = 59,363,172.56/3,636
  6. Step 6: Final answer
    x = 16,326.51

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.