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Finding the Third Proportional to 235,170 and 517,161

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Solution

The third proportional to 235,170 and 517,161 is: 1,137,285.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,170 : 517,161 = 517,161 : x
  2. Step 2: Convert to fraction form
    235,170/517,161 = 517,161/x
  3. Step 3: Cross multiply
    235,170x = 517,161 × 517,161
  4. Step 4: Simplify right side
    235,170x = 267,455,499,921
  5. Step 5: Solve for x
    x = 267,455,499,921/235,170
  6. Step 6: Final answer
    x = 1,137,285.79

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.