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Finding the Third Proportional to 18,260 and 37,385

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Solution

The third proportional to 18,260 and 37,385 is: 76,540.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260 : 37,385 = 37,385 : x
  2. Step 2: Convert to fraction form
    18,260/37,385 = 37,385/x
  3. Step 3: Cross multiply
    18,260x = 37,385 × 37,385
  4. Step 4: Simplify right side
    18,260x = 1,397,638,225
  5. Step 5: Solve for x
    x = 1,397,638,225/18,260
  6. Step 6: Final answer
    x = 76,540.98

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.