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Finding the Third Proportional to 8,976 and 13,054

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Solution

The third proportional to 8,976 and 13,054 is: 18,984.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976 : 13,054 = 13,054 : x
  2. Step 2: Convert to fraction form
    8,976/13,054 = 13,054/x
  3. Step 3: Cross multiply
    8,976x = 13,054 × 13,054
  4. Step 4: Simplify right side
    8,976x = 170,406,916
  5. Step 5: Solve for x
    x = 170,406,916/8,976
  6. Step 6: Final answer
    x = 18,984.73

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.