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Finding the Third Proportional to 8,876 and 12,554

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Solution

The third proportional to 8,876 and 12,554 is: 17,756.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876 : 12,554 = 12,554 : x
  2. Step 2: Convert to fraction form
    8,876/12,554 = 12,554/x
  3. Step 3: Cross multiply
    8,876x = 12,554 × 12,554
  4. Step 4: Simplify right side
    8,876x = 157,602,916
  5. Step 5: Solve for x
    x = 157,602,916/8,876
  6. Step 6: Final answer
    x = 17,756.07

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.