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Finding the Third Proportional to 3,549.66 and 5,511.80

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Solution

The third proportional to 3,549.66 and 5,511.80 is: 8,558.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.66 : 5,511.80 = 5,511.80 : x
  2. Step 2: Convert to fraction form
    3,549.66/5,511.80 = 5,511.80/x
  3. Step 3: Cross multiply
    3,549.66x = 5,511.80 × 5,511.80
  4. Step 4: Simplify right side
    3,549.66x = 30,379,904.79
  5. Step 5: Solve for x
    x = 30,379,904.79/3,549.66
  6. Step 6: Final answer
    x = 8,558.55

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.