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Finding the Third Proportional to 34,493 and 74,269

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Solution

The third proportional to 34,493 and 74,269 is: 159,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,493 : 74,269 = 74,269 : x
  2. Step 2: Convert to fraction form
    34,493/74,269 = 74,269/x
  3. Step 3: Cross multiply
    34,493x = 74,269 × 74,269
  4. Step 4: Simplify right side
    34,493x = 5,515,884,361
  5. Step 5: Solve for x
    x = 5,515,884,361/34,493
  6. Step 6: Final answer
    x = 159,913.15

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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.