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Finding the Third Proportional to 69,903 and 151,956

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Solution

The third proportional to 69,903 and 151,956 is: 330,323.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,903 : 151,956 = 151,956 : x
  2. Step 2: Convert to fraction form
    69,903/151,956 = 151,956/x
  3. Step 3: Cross multiply
    69,903x = 151,956 × 151,956
  4. Step 4: Simplify right side
    69,903x = 23,090,625,936
  5. Step 5: Solve for x
    x = 23,090,625,936/69,903
  6. Step 6: Final answer
    x = 330,323.82

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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.