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Finding the Third Proportional to 11,335.50 and 18,207

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Solution

The third proportional to 11,335.50 and 18,207 is: 29,243.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.50 : 18,207 = 18,207 : x
  2. Step 2: Convert to fraction form
    11,335.50/18,207 = 18,207/x
  3. Step 3: Cross multiply
    11,335.50x = 18,207 × 18,207
  4. Step 4: Simplify right side
    11,335.50x = 331,494,849
  5. Step 5: Solve for x
    x = 331,494,849/11,335.50
  6. Step 6: Final answer
    x = 29,243.95

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.