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Finding the Third Proportional to 18,520 and 25,926

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Solution

The third proportional to 18,520 and 25,926 is: 36,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520 : 25,926 = 25,926 : x
  2. Step 2: Convert to fraction form
    18,520/25,926 = 25,926/x
  3. Step 3: Cross multiply
    18,520x = 25,926 × 25,926
  4. Step 4: Simplify right side
    18,520x = 672,157,476
  5. Step 5: Solve for x
    x = 672,157,476/18,520
  6. Step 6: Final answer
    x = 36,293.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.