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Finding the Third Proportional to 201,159 and 281,903

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Solution

The third proportional to 201,159 and 281,903 is: 395,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,159 : 281,903 = 281,903 : x
  2. Step 2: Convert to fraction form
    201,159/281,903 = 281,903/x
  3. Step 3: Cross multiply
    201,159x = 281,903 × 281,903
  4. Step 4: Simplify right side
    201,159x = 79,469,301,409
  5. Step 5: Solve for x
    x = 79,469,301,409/201,159
  6. Step 6: Final answer
    x = 395,057.15

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.