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Finding the Third Proportional to 3,668 and 8,649.50

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Solution

The third proportional to 3,668 and 8,649.50 is: 20,396.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668 : 8,649.50 = 8,649.50 : x
  2. Step 2: Convert to fraction form
    3,668/8,649.50 = 8,649.50/x
  3. Step 3: Cross multiply
    3,668x = 8,649.50 × 8,649.50
  4. Step 4: Simplify right side
    3,668x = 74,813,850.25
  5. Step 5: Solve for x
    x = 74,813,850.25/3,668
  6. Step 6: Final answer
    x = 20,396.36

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.