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Finding the Third Proportional to 3,762 and 8,231.63

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Solution

The third proportional to 3,762 and 8,231.63 is: 18,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762 : 8,231.63 = 8,231.63 : x
  2. Step 2: Convert to fraction form
    3,762/8,231.63 = 8,231.63/x
  3. Step 3: Cross multiply
    3,762x = 8,231.63 × 8,231.63
  4. Step 4: Simplify right side
    3,762x = 67,759,650.14
  5. Step 5: Solve for x
    x = 67,759,650.14/3,762
  6. Step 6: Final answer
    x = 18,011.60

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.