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Finding the Third Proportional to 131,198 and 284,140

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Solution

The third proportional to 131,198 and 284,140 is: 615,371.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,198 : 284,140 = 284,140 : x
  2. Step 2: Convert to fraction form
    131,198/284,140 = 284,140/x
  3. Step 3: Cross multiply
    131,198x = 284,140 × 284,140
  4. Step 4: Simplify right side
    131,198x = 80,735,539,600
  5. Step 5: Solve for x
    x = 80,735,539,600/131,198
  6. Step 6: Final answer
    x = 615,371.73

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.