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Finding the Third Proportional to 220,734 and 479,880

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Solution

The third proportional to 220,734 and 479,880 is: 1,043,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,734 : 479,880 = 479,880 : x
  2. Step 2: Convert to fraction form
    220,734/479,880 = 479,880/x
  3. Step 3: Cross multiply
    220,734x = 479,880 × 479,880
  4. Step 4: Simplify right side
    220,734x = 230,284,814,400
  5. Step 5: Solve for x
    x = 230,284,814,400/220,734
  6. Step 6: Final answer
    x = 1,043,268.43

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.