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Finding the Third Proportional to 3,609 and 5,573

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Solution

The third proportional to 3,609 and 5,573 is: 8,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609 : 5,573 = 5,573 : x
  2. Step 2: Convert to fraction form
    3,609/5,573 = 5,573/x
  3. Step 3: Cross multiply
    3,609x = 5,573 × 5,573
  4. Step 4: Simplify right side
    3,609x = 31,058,329
  5. Step 5: Solve for x
    x = 31,058,329/3,609
  6. Step 6: Final answer
    x = 8,605.80

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.