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Finding the Third Proportional to 210,967 and 454,917

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Solution

The third proportional to 210,967 and 454,917 is: 980,956.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,967 : 454,917 = 454,917 : x
  2. Step 2: Convert to fraction form
    210,967/454,917 = 454,917/x
  3. Step 3: Cross multiply
    210,967x = 454,917 × 454,917
  4. Step 4: Simplify right side
    210,967x = 206,949,476,889
  5. Step 5: Solve for x
    x = 206,949,476,889/210,967
  6. Step 6: Final answer
    x = 980,956.63

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.