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Finding the Third Proportional to 208,162 and 491,231

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Solution

The third proportional to 208,162 and 491,231 is: 1,159,231.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,162 : 491,231 = 491,231 : x
  2. Step 2: Convert to fraction form
    208,162/491,231 = 491,231/x
  3. Step 3: Cross multiply
    208,162x = 491,231 × 491,231
  4. Step 4: Simplify right side
    208,162x = 241,307,895,361
  5. Step 5: Solve for x
    x = 241,307,895,361/208,162
  6. Step 6: Final answer
    x = 1,159,231.25

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.