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Finding the Third Proportional to 4,082.25 and 8,697

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Solution

The third proportional to 4,082.25 and 8,697 is: 18,528.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.25 : 8,697 = 8,697 : x
  2. Step 2: Convert to fraction form
    4,082.25/8,697 = 8,697/x
  3. Step 3: Cross multiply
    4,082.25x = 8,697 × 8,697
  4. Step 4: Simplify right side
    4,082.25x = 75,637,809
  5. Step 5: Solve for x
    x = 75,637,809/4,082.25
  6. Step 6: Final answer
    x = 18,528.46

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.