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Finding the Third Proportional to 3,375 and 5,577

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Solution

The third proportional to 3,375 and 5,577 is: 9,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375 : 5,577 = 5,577 : x
  2. Step 2: Convert to fraction form
    3,375/5,577 = 5,577/x
  3. Step 3: Cross multiply
    3,375x = 5,577 × 5,577
  4. Step 4: Simplify right side
    3,375x = 31,102,929
  5. Step 5: Solve for x
    x = 31,102,929/3,375
  6. Step 6: Final answer
    x = 9,215.68

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.