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Finding the Third Proportional to 121,393.31 and 247,605.56

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Solution

The third proportional to 121,393.31 and 247,605.56 is: 505,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,393.31 : 247,605.56 = 247,605.56 : x
  2. Step 2: Convert to fraction form
    121,393.31/247,605.56 = 247,605.56/x
  3. Step 3: Cross multiply
    121,393.31x = 247,605.56 × 247,605.56
  4. Step 4: Simplify right side
    121,393.31x = 61,308,514,580.94
  5. Step 5: Solve for x
    x = 61,308,514,580.94/121,393.31
  6. Step 6: Final answer
    x = 505,040.30

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.