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Finding the Third Proportional to 3,852 and 4,260

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Solution

The third proportional to 3,852 and 4,260 is: 4,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852 : 4,260 = 4,260 : x
  2. Step 2: Convert to fraction form
    3,852/4,260 = 4,260/x
  3. Step 3: Cross multiply
    3,852x = 4,260 × 4,260
  4. Step 4: Simplify right side
    3,852x = 18,147,600
  5. Step 5: Solve for x
    x = 18,147,600/3,852
  6. Step 6: Final answer
    x = 4,711.21

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.