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Finding the Third Proportional to 3,660 and 8,481

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Solution

The third proportional to 3,660 and 8,481 is: 19,652.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660 : 8,481 = 8,481 : x
  2. Step 2: Convert to fraction form
    3,660/8,481 = 8,481/x
  3. Step 3: Cross multiply
    3,660x = 8,481 × 8,481
  4. Step 4: Simplify right side
    3,660x = 71,927,361
  5. Step 5: Solve for x
    x = 71,927,361/3,660
  6. Step 6: Final answer
    x = 19,652.28

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.