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Finding the Third Proportional to 8,217 and 11,013

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Solution

The third proportional to 8,217 and 11,013 is: 14,760.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217 : 11,013 = 11,013 : x
  2. Step 2: Convert to fraction form
    8,217/11,013 = 11,013/x
  3. Step 3: Cross multiply
    8,217x = 11,013 × 11,013
  4. Step 4: Simplify right side
    8,217x = 121,286,169
  5. Step 5: Solve for x
    x = 121,286,169/8,217
  6. Step 6: Final answer
    x = 14,760.40

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.