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Finding the Third Proportional to 331,129.38 and 715,194.75

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Solution

The third proportional to 331,129.38 and 715,194.75 is: 1,544,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,129.38 : 715,194.75 = 715,194.75 : x
  2. Step 2: Convert to fraction form
    331,129.38/715,194.75 = 715,194.75/x
  3. Step 3: Cross multiply
    331,129.38x = 715,194.75 × 715,194.75
  4. Step 4: Simplify right side
    331,129.38x = 511,503,530,427.56
  5. Step 5: Solve for x
    x = 511,503,530,427.56/331,129.38
  6. Step 6: Final answer
    x = 1,544,724.11

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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.