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Finding the Third Proportional to 219,162 and 296,991

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Solution

The third proportional to 219,162 and 296,991 is: 402,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,162 : 296,991 = 296,991 : x
  2. Step 2: Convert to fraction form
    219,162/296,991 = 296,991/x
  3. Step 3: Cross multiply
    219,162x = 296,991 × 296,991
  4. Step 4: Simplify right side
    219,162x = 88,203,654,081
  5. Step 5: Solve for x
    x = 88,203,654,081/219,162
  6. Step 6: Final answer
    x = 402,458.70

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.