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Finding the Third Proportional to 17,982 and 25,278

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Solution

The third proportional to 17,982 and 25,278 is: 35,534.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,982 : 25,278 = 25,278 : x
  2. Step 2: Convert to fraction form
    17,982/25,278 = 25,278/x
  3. Step 3: Cross multiply
    17,982x = 25,278 × 25,278
  4. Step 4: Simplify right side
    17,982x = 638,977,284
  5. Step 5: Solve for x
    x = 638,977,284/17,982
  6. Step 6: Final answer
    x = 35,534.27

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.