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Finding the Third Proportional to 18,512 and 26,384

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Solution

The third proportional to 18,512 and 26,384 is: 37,603.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512 : 26,384 = 26,384 : x
  2. Step 2: Convert to fraction form
    18,512/26,384 = 26,384/x
  3. Step 3: Cross multiply
    18,512x = 26,384 × 26,384
  4. Step 4: Simplify right side
    18,512x = 696,115,456
  5. Step 5: Solve for x
    x = 696,115,456/18,512
  6. Step 6: Final answer
    x = 37,603.47

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.