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Finding the Third Proportional to 4,972 and 11,668

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Solution

The third proportional to 4,972 and 11,668 is: 27,381.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972 : 11,668 = 11,668 : x
  2. Step 2: Convert to fraction form
    4,972/11,668 = 11,668/x
  3. Step 3: Cross multiply
    4,972x = 11,668 × 11,668
  4. Step 4: Simplify right side
    4,972x = 136,142,224
  5. Step 5: Solve for x
    x = 136,142,224/4,972
  6. Step 6: Final answer
    x = 27,381.78

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.