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Finding the Third Proportional to 9,190 and 18,926

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Solution

The third proportional to 9,190 and 18,926 is: 38,976.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190 : 18,926 = 18,926 : x
  2. Step 2: Convert to fraction form
    9,190/18,926 = 18,926/x
  3. Step 3: Cross multiply
    9,190x = 18,926 × 18,926
  4. Step 4: Simplify right side
    9,190x = 358,193,476
  5. Step 5: Solve for x
    x = 358,193,476/9,190
  6. Step 6: Final answer
    x = 38,976.44

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.