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Finding the Third Proportional to 8,857 and 12,013

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Solution

The third proportional to 8,857 and 12,013 is: 16,293.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857 : 12,013 = 12,013 : x
  2. Step 2: Convert to fraction form
    8,857/12,013 = 12,013/x
  3. Step 3: Cross multiply
    8,857x = 12,013 × 12,013
  4. Step 4: Simplify right side
    8,857x = 144,312,169
  5. Step 5: Solve for x
    x = 144,312,169/8,857
  6. Step 6: Final answer
    x = 16,293.57

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.