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Finding the Third Proportional to 3,208 and 3,550

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Solution

The third proportional to 3,208 and 3,550 is: 3,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208 : 3,550 = 3,550 : x
  2. Step 2: Convert to fraction form
    3,208/3,550 = 3,550/x
  3. Step 3: Cross multiply
    3,208x = 3,550 × 3,550
  4. Step 4: Simplify right side
    3,208x = 12,602,500
  5. Step 5: Solve for x
    x = 12,602,500/3,208
  6. Step 6: Final answer
    x = 3,928.46

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.