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Finding the Third Proportional to 2,988 and 3,798

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Solution

The third proportional to 2,988 and 3,798 is: 4,827.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988 : 3,798 = 3,798 : x
  2. Step 2: Convert to fraction form
    2,988/3,798 = 3,798/x
  3. Step 3: Cross multiply
    2,988x = 3,798 × 3,798
  4. Step 4: Simplify right side
    2,988x = 14,424,804
  5. Step 5: Solve for x
    x = 14,424,804/2,988
  6. Step 6: Final answer
    x = 4,827.58

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.