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Finding the Third Proportional to 13,853 and 18,926

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Solution

The third proportional to 13,853 and 18,926 is: 25,856.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853 : 18,926 = 18,926 : x
  2. Step 2: Convert to fraction form
    13,853/18,926 = 18,926/x
  3. Step 3: Cross multiply
    13,853x = 18,926 × 18,926
  4. Step 4: Simplify right side
    13,853x = 358,193,476
  5. Step 5: Solve for x
    x = 358,193,476/13,853
  6. Step 6: Final answer
    x = 25,856.74

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.