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Finding the Third Proportional to 361,272 and 551,337

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Solution

The third proportional to 361,272 and 551,337 is: 841,395.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,272 : 551,337 = 551,337 : x
  2. Step 2: Convert to fraction form
    361,272/551,337 = 551,337/x
  3. Step 3: Cross multiply
    361,272x = 551,337 × 551,337
  4. Step 4: Simplify right side
    361,272x = 303,972,487,569
  5. Step 5: Solve for x
    x = 303,972,487,569/361,272
  6. Step 6: Final answer
    x = 841,395.09

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.