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Finding the Third Proportional to 3,609 and 8,037.75

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Solution

The third proportional to 3,609 and 8,037.75 is: 17,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609 : 8,037.75 = 8,037.75 : x
  2. Step 2: Convert to fraction form
    3,609/8,037.75 = 8,037.75/x
  3. Step 3: Cross multiply
    3,609x = 8,037.75 × 8,037.75
  4. Step 4: Simplify right side
    3,609x = 64,605,425.06
  5. Step 5: Solve for x
    x = 64,605,425.06/3,609
  6. Step 6: Final answer
    x = 17,901.20

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.