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Finding the Third Proportional to 11,402 and 18,267

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Solution

The third proportional to 11,402 and 18,267 is: 29,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,402 : 18,267 = 18,267 : x
  2. Step 2: Convert to fraction form
    11,402/18,267 = 18,267/x
  3. Step 3: Cross multiply
    11,402x = 18,267 × 18,267
  4. Step 4: Simplify right side
    11,402x = 333,683,289
  5. Step 5: Solve for x
    x = 333,683,289/11,402
  6. Step 6: Final answer
    x = 29,265.33

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.