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Finding the Third Proportional to 219,915 and 329,751

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Solution

The third proportional to 219,915 and 329,751 is: 494,444.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,915 : 329,751 = 329,751 : x
  2. Step 2: Convert to fraction form
    219,915/329,751 = 329,751/x
  3. Step 3: Cross multiply
    219,915x = 329,751 × 329,751
  4. Step 4: Simplify right side
    219,915x = 108,735,722,001
  5. Step 5: Solve for x
    x = 108,735,722,001/219,915
  6. Step 6: Final answer
    x = 494,444.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.