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Finding the Third Proportional to 11,052 and 15,206

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Solution

The third proportional to 11,052 and 15,206 is: 20,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,052 : 15,206 = 15,206 : x
  2. Step 2: Convert to fraction form
    11,052/15,206 = 15,206/x
  3. Step 3: Cross multiply
    11,052x = 15,206 × 15,206
  4. Step 4: Simplify right side
    11,052x = 231,222,436
  5. Step 5: Solve for x
    x = 231,222,436/11,052
  6. Step 6: Final answer
    x = 20,921.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.