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Finding the Third Proportional to 18,524 and 38,281

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Solution

The third proportional to 18,524 and 38,281 is: 79,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524 : 38,281 = 38,281 : x
  2. Step 2: Convert to fraction form
    18,524/38,281 = 38,281/x
  3. Step 3: Cross multiply
    18,524x = 38,281 × 38,281
  4. Step 4: Simplify right side
    18,524x = 1,465,434,961
  5. Step 5: Solve for x
    x = 1,465,434,961/18,524
  6. Step 6: Final answer
    x = 79,110.07

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.