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Finding the Third Proportional to 5,286 and 11,526

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Solution

The third proportional to 5,286 and 11,526 is: 25,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286 : 11,526 = 11,526 : x
  2. Step 2: Convert to fraction form
    5,286/11,526 = 11,526/x
  3. Step 3: Cross multiply
    5,286x = 11,526 × 11,526
  4. Step 4: Simplify right side
    5,286x = 132,848,676
  5. Step 5: Solve for x
    x = 132,848,676/5,286
  6. Step 6: Final answer
    x = 25,132.17

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.