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Finding the Third Proportional to 18,256 and 29,392

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Solution

The third proportional to 18,256 and 29,392 is: 47,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256 : 29,392 = 29,392 : x
  2. Step 2: Convert to fraction form
    18,256/29,392 = 29,392/x
  3. Step 3: Cross multiply
    18,256x = 29,392 × 29,392
  4. Step 4: Simplify right side
    18,256x = 863,889,664
  5. Step 5: Solve for x
    x = 863,889,664/18,256
  6. Step 6: Final answer
    x = 47,320.86

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.