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Finding the Third Proportional to 103,015 and 213,927

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Solution

The third proportional to 103,015 and 213,927 is: 444,253.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,015 : 213,927 = 213,927 : x
  2. Step 2: Convert to fraction form
    103,015/213,927 = 213,927/x
  3. Step 3: Cross multiply
    103,015x = 213,927 × 213,927
  4. Step 4: Simplify right side
    103,015x = 45,764,761,329
  5. Step 5: Solve for x
    x = 45,764,761,329/103,015
  6. Step 6: Final answer
    x = 444,253.37

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.