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Finding the Third Proportional to 102,841 and 155,357

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Solution

The third proportional to 102,841 and 155,357 is: 234,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,841 : 155,357 = 155,357 : x
  2. Step 2: Convert to fraction form
    102,841/155,357 = 155,357/x
  3. Step 3: Cross multiply
    102,841x = 155,357 × 155,357
  4. Step 4: Simplify right side
    102,841x = 24,135,797,449
  5. Step 5: Solve for x
    x = 24,135,797,449/102,841
  6. Step 6: Final answer
    x = 234,690.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.