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Finding the Third Proportional to 5,757 and 9,021

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Solution

The third proportional to 5,757 and 9,021 is: 14,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757 : 9,021 = 9,021 : x
  2. Step 2: Convert to fraction form
    5,757/9,021 = 9,021/x
  3. Step 3: Cross multiply
    5,757x = 9,021 × 9,021
  4. Step 4: Simplify right side
    5,757x = 81,378,441
  5. Step 5: Solve for x
    x = 81,378,441/5,757
  6. Step 6: Final answer
    x = 14,135.56

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.