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Finding the Third Proportional to 344,136 and 521,388

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Solution

The third proportional to 344,136 and 521,388 is: 789,936.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,136 : 521,388 = 521,388 : x
  2. Step 2: Convert to fraction form
    344,136/521,388 = 521,388/x
  3. Step 3: Cross multiply
    344,136x = 521,388 × 521,388
  4. Step 4: Simplify right side
    344,136x = 271,845,446,544
  5. Step 5: Solve for x
    x = 271,845,446,544/344,136
  6. Step 6: Final answer
    x = 789,936.09

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.