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Finding the Third Proportional to 8,980 and 11,546

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Solution

The third proportional to 8,980 and 11,546 is: 14,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980 : 11,546 = 11,546 : x
  2. Step 2: Convert to fraction form
    8,980/11,546 = 11,546/x
  3. Step 3: Cross multiply
    8,980x = 11,546 × 11,546
  4. Step 4: Simplify right side
    8,980x = 133,310,116
  5. Step 5: Solve for x
    x = 133,310,116/8,980
  6. Step 6: Final answer
    x = 14,845.22

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.