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Finding the Third Proportional to 217,635 and 454,950

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Solution

The third proportional to 217,635 and 454,950 is: 951,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,635 : 454,950 = 454,950 : x
  2. Step 2: Convert to fraction form
    217,635/454,950 = 454,950/x
  3. Step 3: Cross multiply
    217,635x = 454,950 × 454,950
  4. Step 4: Simplify right side
    217,635x = 206,979,502,500
  5. Step 5: Solve for x
    x = 206,979,502,500/217,635
  6. Step 6: Final answer
    x = 951,039.60

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.