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Finding the Third Proportional to 142,227 and 313,974

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Solution

The third proportional to 142,227 and 313,974 is: 693,115.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,227 : 313,974 = 313,974 : x
  2. Step 2: Convert to fraction form
    142,227/313,974 = 313,974/x
  3. Step 3: Cross multiply
    142,227x = 313,974 × 313,974
  4. Step 4: Simplify right side
    142,227x = 98,579,672,676
  5. Step 5: Solve for x
    x = 98,579,672,676/142,227
  6. Step 6: Final answer
    x = 693,115.04

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.