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Finding the Third Proportional to 3,600 and 5,731.88

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Solution

The third proportional to 3,600 and 5,731.88 is: 9,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600 : 5,731.88 = 5,731.88 : x
  2. Step 2: Convert to fraction form
    3,600/5,731.88 = 5,731.88/x
  3. Step 3: Cross multiply
    3,600x = 5,731.88 × 5,731.88
  4. Step 4: Simplify right side
    3,600x = 32,854,391.02
  5. Step 5: Solve for x
    x = 32,854,391.02/3,600
  6. Step 6: Final answer
    x = 9,126.22

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.