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Finding the Third Proportional to 135,360 and 199,116

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Solution

The third proportional to 135,360 and 199,116 is: 292,901.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,360 : 199,116 = 199,116 : x
  2. Step 2: Convert to fraction form
    135,360/199,116 = 199,116/x
  3. Step 3: Cross multiply
    135,360x = 199,116 × 199,116
  4. Step 4: Simplify right side
    135,360x = 39,647,181,456
  5. Step 5: Solve for x
    x = 39,647,181,456/135,360
  6. Step 6: Final answer
    x = 292,901.75

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.