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Finding the Third Proportional to 3,339 and 3,672

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Solution

The third proportional to 3,339 and 3,672 is: 4,038.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339 : 3,672 = 3,672 : x
  2. Step 2: Convert to fraction form
    3,339/3,672 = 3,672/x
  3. Step 3: Cross multiply
    3,339x = 3,672 × 3,672
  4. Step 4: Simplify right side
    3,339x = 13,483,584
  5. Step 5: Solve for x
    x = 13,483,584/3,339
  6. Step 6: Final answer
    x = 4,038.21

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.