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Finding the Third Proportional to 3,175.31 and 5,122.69

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Solution

The third proportional to 3,175.31 and 5,122.69 is: 8,264.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.31 : 5,122.69 = 5,122.69 : x
  2. Step 2: Convert to fraction form
    3,175.31/5,122.69 = 5,122.69/x
  3. Step 3: Cross multiply
    3,175.31x = 5,122.69 × 5,122.69
  4. Step 4: Simplify right side
    3,175.31x = 26,241,927.22
  5. Step 5: Solve for x
    x = 26,241,927.22/3,175.31
  6. Step 6: Final answer
    x = 8,264.36

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.