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Finding the Third Proportional to 131,410 and 283,930

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Solution

The third proportional to 131,410 and 283,930 is: 613,471.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,410 : 283,930 = 283,930 : x
  2. Step 2: Convert to fraction form
    131,410/283,930 = 283,930/x
  3. Step 3: Cross multiply
    131,410x = 283,930 × 283,930
  4. Step 4: Simplify right side
    131,410x = 80,616,244,900
  5. Step 5: Solve for x
    x = 80,616,244,900/131,410
  6. Step 6: Final answer
    x = 613,471.16

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.