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Finding the Third Proportional to 227,129.06 and 318,481.88

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Solution

The third proportional to 227,129.06 and 318,481.88 is: 446,577.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,129.06 : 318,481.88 = 318,481.88 : x
  2. Step 2: Convert to fraction form
    227,129.06/318,481.88 = 318,481.88/x
  3. Step 3: Cross multiply
    227,129.06x = 318,481.88 × 318,481.88
  4. Step 4: Simplify right side
    227,129.06x = 101,430,704,703.52
  5. Step 5: Solve for x
    x = 101,430,704,703.52/227,129.06
  6. Step 6: Final answer
    x = 446,577.39

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.