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Finding the Third Proportional to 3,660 and 8,808

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Solution

The third proportional to 3,660 and 8,808 is: 21,196.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660 : 8,808 = 8,808 : x
  2. Step 2: Convert to fraction form
    3,660/8,808 = 8,808/x
  3. Step 3: Cross multiply
    3,660x = 8,808 × 8,808
  4. Step 4: Simplify right side
    3,660x = 77,580,864
  5. Step 5: Solve for x
    x = 77,580,864/3,660
  6. Step 6: Final answer
    x = 21,196.96

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.