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Finding the Third Proportional to 365 and 885

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Solution

The third proportional to 365 and 885 is: 2,145.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    365 : 885 = 885 : x
  2. Step 2: Convert to fraction form
    365/885 = 885/x
  3. Step 3: Cross multiply
    365x = 885 × 885
  4. Step 4: Simplify right side
    365x = 783,225
  5. Step 5: Solve for x
    x = 783,225/365
  6. Step 6: Final answer
    x = 2,145.82

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.