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Finding the Third Proportional to 7,200.75 and 10,745.63

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Solution

The third proportional to 7,200.75 and 10,745.63 is: 16,035.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.75 : 10,745.63 = 10,745.63 : x
  2. Step 2: Convert to fraction form
    7,200.75/10,745.63 = 10,745.63/x
  3. Step 3: Cross multiply
    7,200.75x = 10,745.63 × 10,745.63
  4. Step 4: Simplify right side
    7,200.75x = 115,468,456.64
  5. Step 5: Solve for x
    x = 115,468,456.64/7,200.75
  6. Step 6: Final answer
    x = 16,035.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.