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Finding the Third Proportional to 692.63 and 1,481.25

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Solution

The third proportional to 692.63 and 1,481.25 is: 3,167.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.63 : 1,481.25 = 1,481.25 : x
  2. Step 2: Convert to fraction form
    692.63/1,481.25 = 1,481.25/x
  3. Step 3: Cross multiply
    692.63x = 1,481.25 × 1,481.25
  4. Step 4: Simplify right side
    692.63x = 2,194,101.56
  5. Step 5: Solve for x
    x = 2,194,101.56/692.63
  6. Step 6: Final answer
    x = 3,167.81

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.