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Finding the Third Proportional to 177,525 and 389,433

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Solution

The third proportional to 177,525 and 389,433 is: 854,291.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,525 : 389,433 = 389,433 : x
  2. Step 2: Convert to fraction form
    177,525/389,433 = 389,433/x
  3. Step 3: Cross multiply
    177,525x = 389,433 × 389,433
  4. Step 4: Simplify right side
    177,525x = 151,658,061,489
  5. Step 5: Solve for x
    x = 151,658,061,489/177,525
  6. Step 6: Final answer
    x = 854,291.29

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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.