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Finding the Third Proportional to 13,692 and 19,373

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Solution

The third proportional to 13,692 and 19,373 is: 27,411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692 : 19,373 = 19,373 : x
  2. Step 2: Convert to fraction form
    13,692/19,373 = 19,373/x
  3. Step 3: Cross multiply
    13,692x = 19,373 × 19,373
  4. Step 4: Simplify right side
    13,692x = 375,313,129
  5. Step 5: Solve for x
    x = 375,313,129/13,692
  6. Step 6: Final answer
    x = 27,411.13

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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.