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Finding the Third Proportional to 222,280 and 485,383

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Solution

The third proportional to 222,280 and 485,383 is: 1,059,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,280 : 485,383 = 485,383 : x
  2. Step 2: Convert to fraction form
    222,280/485,383 = 485,383/x
  3. Step 3: Cross multiply
    222,280x = 485,383 × 485,383
  4. Step 4: Simplify right side
    222,280x = 235,596,656,689
  5. Step 5: Solve for x
    x = 235,596,656,689/222,280
  6. Step 6: Final answer
    x = 1,059,909.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.