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Finding the Third Proportional to 281,379 and 616,122

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Solution

The third proportional to 281,379 and 616,122 is: 1,349,092.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,379 : 616,122 = 616,122 : x
  2. Step 2: Convert to fraction form
    281,379/616,122 = 616,122/x
  3. Step 3: Cross multiply
    281,379x = 616,122 × 616,122
  4. Step 4: Simplify right side
    281,379x = 379,606,318,884
  5. Step 5: Solve for x
    x = 379,606,318,884/281,379
  6. Step 6: Final answer
    x = 1,349,092.57

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.