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Finding the Third Proportional to 154,036 and 330,992

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Solution

The third proportional to 154,036 and 330,992 is: 711,234.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,036 : 330,992 = 330,992 : x
  2. Step 2: Convert to fraction form
    154,036/330,992 = 330,992/x
  3. Step 3: Cross multiply
    154,036x = 330,992 × 330,992
  4. Step 4: Simplify right side
    154,036x = 109,555,704,064
  5. Step 5: Solve for x
    x = 109,555,704,064/154,036
  6. Step 6: Final answer
    x = 711,234.41

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.