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Finding the Third Proportional to 1,512 and 1,626

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Solution

The third proportional to 1,512 and 1,626 is: 1,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512 : 1,626 = 1,626 : x
  2. Step 2: Convert to fraction form
    1,512/1,626 = 1,626/x
  3. Step 3: Cross multiply
    1,512x = 1,626 × 1,626
  4. Step 4: Simplify right side
    1,512x = 2,643,876
  5. Step 5: Solve for x
    x = 2,643,876/1,512
  6. Step 6: Final answer
    x = 1,748.60

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.