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Finding the Third Proportional to 8,912 and 11,946

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Solution

The third proportional to 8,912 and 11,946 is: 16,012.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912 : 11,946 = 11,946 : x
  2. Step 2: Convert to fraction form
    8,912/11,946 = 11,946/x
  3. Step 3: Cross multiply
    8,912x = 11,946 × 11,946
  4. Step 4: Simplify right side
    8,912x = 142,706,916
  5. Step 5: Solve for x
    x = 142,706,916/8,912
  6. Step 6: Final answer
    x = 16,012.89

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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.