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Finding the Third Proportional to 110,376 and 168,993

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Solution

The third proportional to 110,376 and 168,993 is: 258,739.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,376 : 168,993 = 168,993 : x
  2. Step 2: Convert to fraction form
    110,376/168,993 = 168,993/x
  3. Step 3: Cross multiply
    110,376x = 168,993 × 168,993
  4. Step 4: Simplify right side
    110,376x = 28,558,634,049
  5. Step 5: Solve for x
    x = 28,558,634,049/110,376
  6. Step 6: Final answer
    x = 258,739.53

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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.