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Finding the Third Proportional to 3,775.99 and 8,222.13

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Solution

The third proportional to 3,775.99 and 8,222.13 is: 17,903.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.99 : 8,222.13 = 8,222.13 : x
  2. Step 2: Convert to fraction form
    3,775.99/8,222.13 = 8,222.13/x
  3. Step 3: Cross multiply
    3,775.99x = 8,222.13 × 8,222.13
  4. Step 4: Simplify right side
    3,775.99x = 67,603,467.99
  5. Step 5: Solve for x
    x = 67,603,467.99/3,775.99
  6. Step 6: Final answer
    x = 17,903.50

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.