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Finding the Third Proportional to 183,231.56 and 280,296.75

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Solution

The third proportional to 183,231.56 and 280,296.75 is: 428,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,231.56 : 280,296.75 = 280,296.75 : x
  2. Step 2: Convert to fraction form
    183,231.56/280,296.75 = 280,296.75/x
  3. Step 3: Cross multiply
    183,231.56x = 280,296.75 × 280,296.75
  4. Step 4: Simplify right side
    183,231.56x = 78,566,268,060.56
  5. Step 5: Solve for x
    x = 78,566,268,060.56/183,231.56
  6. Step 6: Final answer
    x = 428,781.30

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.