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Finding the Third Proportional to 68,658.75 and 103,956.75

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Solution

The third proportional to 68,658.75 and 103,956.75 is: 157,401.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,658.75 : 103,956.75 = 103,956.75 : x
  2. Step 2: Convert to fraction form
    68,658.75/103,956.75 = 103,956.75/x
  3. Step 3: Cross multiply
    68,658.75x = 103,956.75 × 103,956.75
  4. Step 4: Simplify right side
    68,658.75x = 10,807,005,870.56
  5. Step 5: Solve for x
    x = 10,807,005,870.56/68,658.75
  6. Step 6: Final answer
    x = 157,401.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.