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Finding the Third Proportional to 3,438 and 3,798

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Solution

The third proportional to 3,438 and 3,798 is: 4,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438 : 3,798 = 3,798 : x
  2. Step 2: Convert to fraction form
    3,438/3,798 = 3,798/x
  3. Step 3: Cross multiply
    3,438x = 3,798 × 3,798
  4. Step 4: Simplify right side
    3,438x = 14,424,804
  5. Step 5: Solve for x
    x = 14,424,804/3,438
  6. Step 6: Final answer
    x = 4,195.70

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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.