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Finding the Third Proportional to 13,348 and 20,938

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Solution

The third proportional to 13,348 and 20,938 is: 32,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348 : 20,938 = 20,938 : x
  2. Step 2: Convert to fraction form
    13,348/20,938 = 20,938/x
  3. Step 3: Cross multiply
    13,348x = 20,938 × 20,938
  4. Step 4: Simplify right side
    13,348x = 438,399,844
  5. Step 5: Solve for x
    x = 438,399,844/13,348
  6. Step 6: Final answer
    x = 32,843.86

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.