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Finding the Third Proportional to 17,358 and 37,857

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Solution

The third proportional to 17,358 and 37,857 is: 82,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,358 : 37,857 = 37,857 : x
  2. Step 2: Convert to fraction form
    17,358/37,857 = 37,857/x
  3. Step 3: Cross multiply
    17,358x = 37,857 × 37,857
  4. Step 4: Simplify right side
    17,358x = 1,433,152,449
  5. Step 5: Solve for x
    x = 1,433,152,449/17,358
  6. Step 6: Final answer
    x = 82,564.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.