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Finding the Third Proportional to 274,794.50 and 579,109

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Solution

The third proportional to 274,794.50 and 579,109 is: 1,220,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,794.50 : 579,109 = 579,109 : x
  2. Step 2: Convert to fraction form
    274,794.50/579,109 = 579,109/x
  3. Step 3: Cross multiply
    274,794.50x = 579,109 × 579,109
  4. Step 4: Simplify right side
    274,794.50x = 335,367,233,881
  5. Step 5: Solve for x
    x = 335,367,233,881/274,794.50
  6. Step 6: Final answer
    x = 1,220,429.21

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.