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Finding the Third Proportional to 3,648 and 5,697

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Solution

The third proportional to 3,648 and 5,697 is: 8,896.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648 : 5,697 = 5,697 : x
  2. Step 2: Convert to fraction form
    3,648/5,697 = 5,697/x
  3. Step 3: Cross multiply
    3,648x = 5,697 × 5,697
  4. Step 4: Simplify right side
    3,648x = 32,455,809
  5. Step 5: Solve for x
    x = 32,455,809/3,648
  6. Step 6: Final answer
    x = 8,896.88

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.