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Finding the Third Proportional to 1,881.98 and 2,872.97

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Solution

The third proportional to 1,881.98 and 2,872.97 is: 4,385.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.98 : 2,872.97 = 2,872.97 : x
  2. Step 2: Convert to fraction form
    1,881.98/2,872.97 = 2,872.97/x
  3. Step 3: Cross multiply
    1,881.98x = 2,872.97 × 2,872.97
  4. Step 4: Simplify right side
    1,881.98x = 8,253,949.44
  5. Step 5: Solve for x
    x = 8,253,949.44/1,881.98
  6. Step 6: Final answer
    x = 4,385.77

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.