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Finding the Third Proportional to 3,576 and 5,475

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Solution

The third proportional to 3,576 and 5,475 is: 8,382.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576 : 5,475 = 5,475 : x
  2. Step 2: Convert to fraction form
    3,576/5,475 = 5,475/x
  3. Step 3: Cross multiply
    3,576x = 5,475 × 5,475
  4. Step 4: Simplify right side
    3,576x = 29,975,625
  5. Step 5: Solve for x
    x = 29,975,625/3,576
  6. Step 6: Final answer
    x = 8,382.45

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.