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Finding the Third Proportional to 145,198 and 217,797

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Solution

The third proportional to 145,198 and 217,797 is: 326,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,198 : 217,797 = 217,797 : x
  2. Step 2: Convert to fraction form
    145,198/217,797 = 217,797/x
  3. Step 3: Cross multiply
    145,198x = 217,797 × 217,797
  4. Step 4: Simplify right side
    145,198x = 47,435,533,209
  5. Step 5: Solve for x
    x = 47,435,533,209/145,198
  6. Step 6: Final answer
    x = 326,695.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.