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Finding the Third Proportional to 18,213 and 38,073

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Solution

The third proportional to 18,213 and 38,073 is: 79,588.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213 : 38,073 = 38,073 : x
  2. Step 2: Convert to fraction form
    18,213/38,073 = 38,073/x
  3. Step 3: Cross multiply
    18,213x = 38,073 × 38,073
  4. Step 4: Simplify right side
    18,213x = 1,449,553,329
  5. Step 5: Solve for x
    x = 1,449,553,329/18,213
  6. Step 6: Final answer
    x = 79,588.94

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.