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Finding the Third Proportional to 8,664 and 13,073

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Solution

The third proportional to 8,664 and 13,073 is: 19,725.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664 : 13,073 = 13,073 : x
  2. Step 2: Convert to fraction form
    8,664/13,073 = 13,073/x
  3. Step 3: Cross multiply
    8,664x = 13,073 × 13,073
  4. Step 4: Simplify right side
    8,664x = 170,903,329
  5. Step 5: Solve for x
    x = 170,903,329/8,664
  6. Step 6: Final answer
    x = 19,725.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.