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Finding the Third Proportional to 218,652 and 471,756

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Solution

The third proportional to 218,652 and 471,756 is: 1,017,844.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,652 : 471,756 = 471,756 : x
  2. Step 2: Convert to fraction form
    218,652/471,756 = 471,756/x
  3. Step 3: Cross multiply
    218,652x = 471,756 × 471,756
  4. Step 4: Simplify right side
    218,652x = 222,553,723,536
  5. Step 5: Solve for x
    x = 222,553,723,536/218,652
  6. Step 6: Final answer
    x = 1,017,844.44

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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.