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Finding the Third Proportional to 1,733 and 2,172

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Solution

The third proportional to 1,733 and 2,172 is: 2,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733 : 2,172 = 2,172 : x
  2. Step 2: Convert to fraction form
    1,733/2,172 = 2,172/x
  3. Step 3: Cross multiply
    1,733x = 2,172 × 2,172
  4. Step 4: Simplify right side
    1,733x = 4,717,584
  5. Step 5: Solve for x
    x = 4,717,584/1,733
  6. Step 6: Final answer
    x = 2,722.21

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Why These Related Problems?

These problems maintain the same ratio (1.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.