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Finding the Third Proportional to 251,013 and 551,620

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Solution

The third proportional to 251,013 and 551,620 is: 1,212,226.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,013 : 551,620 = 551,620 : x
  2. Step 2: Convert to fraction form
    251,013/551,620 = 551,620/x
  3. Step 3: Cross multiply
    251,013x = 551,620 × 551,620
  4. Step 4: Simplify right side
    251,013x = 304,284,624,400
  5. Step 5: Solve for x
    x = 304,284,624,400/251,013
  6. Step 6: Final answer
    x = 1,212,226.56

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.