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Finding the Third Proportional to 671.63 and 1,475.44

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Solution

The third proportional to 671.63 and 1,475.44 is: 3,241.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    671.63 : 1,475.44 = 1,475.44 : x
  2. Step 2: Convert to fraction form
    671.63/1,475.44 = 1,475.44/x
  3. Step 3: Cross multiply
    671.63x = 1,475.44 × 1,475.44
  4. Step 4: Simplify right side
    671.63x = 2,176,915.82
  5. Step 5: Solve for x
    x = 2,176,915.82/671.63
  6. Step 6: Final answer
    x = 3,241.27

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.