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Finding the Third Proportional to 893 and 1,864

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Solution

The third proportional to 893 and 1,864 is: 3,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    893 : 1,864 = 1,864 : x
  2. Step 2: Convert to fraction form
    893/1,864 = 1,864/x
  3. Step 3: Cross multiply
    893x = 1,864 × 1,864
  4. Step 4: Simplify right side
    893x = 3,474,496
  5. Step 5: Solve for x
    x = 3,474,496/893
  6. Step 6: Final answer
    x = 3,890.81

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.