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Finding the Third Proportional to 151,966 and 330,692

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Solution

The third proportional to 151,966 and 330,692 is: 719,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,966 : 330,692 = 330,692 : x
  2. Step 2: Convert to fraction form
    151,966/330,692 = 330,692/x
  3. Step 3: Cross multiply
    151,966x = 330,692 × 330,692
  4. Step 4: Simplify right side
    151,966x = 109,357,198,864
  5. Step 5: Solve for x
    x = 109,357,198,864/151,966
  6. Step 6: Final answer
    x = 719,616.22

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.