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Finding the Third Proportional to 193,227.75 and 420,779.25

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Solution

The third proportional to 193,227.75 and 420,779.25 is: 916,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,227.75 : 420,779.25 = 420,779.25 : x
  2. Step 2: Convert to fraction form
    193,227.75/420,779.25 = 420,779.25/x
  3. Step 3: Cross multiply
    193,227.75x = 420,779.25 × 420,779.25
  4. Step 4: Simplify right side
    193,227.75x = 177,055,177,230.56
  5. Step 5: Solve for x
    x = 177,055,177,230.56/193,227.75
  6. Step 6: Final answer
    x = 916,303.05

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.