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Finding the Third Proportional to 13,219 and 18,153

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Solution

The third proportional to 13,219 and 18,153 is: 24,928.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219 : 18,153 = 18,153 : x
  2. Step 2: Convert to fraction form
    13,219/18,153 = 18,153/x
  3. Step 3: Cross multiply
    13,219x = 18,153 × 18,153
  4. Step 4: Simplify right side
    13,219x = 329,531,409
  5. Step 5: Solve for x
    x = 329,531,409/13,219
  6. Step 6: Final answer
    x = 24,928.62

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.