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Finding the Third Proportional to 13,207 and 27,521

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Solution

The third proportional to 13,207 and 27,521 is: 57,348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207 : 27,521 = 27,521 : x
  2. Step 2: Convert to fraction form
    13,207/27,521 = 27,521/x
  3. Step 3: Cross multiply
    13,207x = 27,521 × 27,521
  4. Step 4: Simplify right side
    13,207x = 757,405,441
  5. Step 5: Solve for x
    x = 757,405,441/13,207
  6. Step 6: Final answer
    x = 57,348.79

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.