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Finding the Third Proportional to 292,744 and 629,872

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Solution

The third proportional to 292,744 and 629,872 is: 1,355,241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,744 : 629,872 = 629,872 : x
  2. Step 2: Convert to fraction form
    292,744/629,872 = 629,872/x
  3. Step 3: Cross multiply
    292,744x = 629,872 × 629,872
  4. Step 4: Simplify right side
    292,744x = 396,738,736,384
  5. Step 5: Solve for x
    x = 396,738,736,384/292,744
  6. Step 6: Final answer
    x = 1,355,241.22

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.