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Finding the Third Proportional to 217,674 and 329,796

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Solution

The third proportional to 217,674 and 329,796 is: 499,671.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,674 : 329,796 = 329,796 : x
  2. Step 2: Convert to fraction form
    217,674/329,796 = 329,796/x
  3. Step 3: Cross multiply
    217,674x = 329,796 × 329,796
  4. Step 4: Simplify right side
    217,674x = 108,765,401,616
  5. Step 5: Solve for x
    x = 108,765,401,616/217,674
  6. Step 6: Final answer
    x = 499,671.08

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.