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Finding the Third Proportional to 8,726 and 13,271

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Solution

The third proportional to 8,726 and 13,271 is: 20,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726 : 13,271 = 13,271 : x
  2. Step 2: Convert to fraction form
    8,726/13,271 = 13,271/x
  3. Step 3: Cross multiply
    8,726x = 13,271 × 13,271
  4. Step 4: Simplify right side
    8,726x = 176,119,441
  5. Step 5: Solve for x
    x = 176,119,441/8,726
  6. Step 6: Final answer
    x = 20,183.30

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.