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Finding the Third Proportional to 8,482 and 13,619

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Solution

The third proportional to 8,482 and 13,619 is: 21,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482 : 13,619 = 13,619 : x
  2. Step 2: Convert to fraction form
    8,482/13,619 = 13,619/x
  3. Step 3: Cross multiply
    8,482x = 13,619 × 13,619
  4. Step 4: Simplify right side
    8,482x = 185,477,161
  5. Step 5: Solve for x
    x = 185,477,161/8,482
  6. Step 6: Final answer
    x = 21,867.15

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.