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Finding the Third Proportional to 11,270.25 and 17,679

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Solution

The third proportional to 11,270.25 and 17,679 is: 27,732.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.25 : 17,679 = 17,679 : x
  2. Step 2: Convert to fraction form
    11,270.25/17,679 = 17,679/x
  3. Step 3: Cross multiply
    11,270.25x = 17,679 × 17,679
  4. Step 4: Simplify right side
    11,270.25x = 312,547,041
  5. Step 5: Solve for x
    x = 312,547,041/11,270.25
  6. Step 6: Final answer
    x = 27,732.04

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.