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Finding the Third Proportional to 17,512 and 40,498

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Solution

The third proportional to 17,512 and 40,498 is: 93,655.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,512 : 40,498 = 40,498 : x
  2. Step 2: Convert to fraction form
    17,512/40,498 = 40,498/x
  3. Step 3: Cross multiply
    17,512x = 40,498 × 40,498
  4. Step 4: Simplify right side
    17,512x = 1,640,088,004
  5. Step 5: Solve for x
    x = 1,640,088,004/17,512
  6. Step 6: Final answer
    x = 93,655.09

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.