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Finding the Third Proportional to 422 and 893

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Solution

The third proportional to 422 and 893 is: 1,889.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    422 : 893 = 893 : x
  2. Step 2: Convert to fraction form
    422/893 = 893/x
  3. Step 3: Cross multiply
    422x = 893 × 893
  4. Step 4: Simplify right side
    422x = 797,449
  5. Step 5: Solve for x
    x = 797,449/422
  6. Step 6: Final answer
    x = 1,889.69

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.