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Finding the Third Proportional to 996.68 and 2,149.98

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Solution

The third proportional to 996.68 and 2,149.98 is: 4,637.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    996.68 : 2,149.98 = 2,149.98 : x
  2. Step 2: Convert to fraction form
    996.68/2,149.98 = 2,149.98/x
  3. Step 3: Cross multiply
    996.68x = 2,149.98 × 2,149.98
  4. Step 4: Simplify right side
    996.68x = 4,622,416.02
  5. Step 5: Solve for x
    x = 4,622,416.02/996.68
  6. Step 6: Final answer
    x = 4,637.82

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.