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Finding the Third Proportional to 13,106 and 18,255

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Solution

The third proportional to 13,106 and 18,255 is: 25,426.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106 : 18,255 = 18,255 : x
  2. Step 2: Convert to fraction form
    13,106/18,255 = 18,255/x
  3. Step 3: Cross multiply
    13,106x = 18,255 × 18,255
  4. Step 4: Simplify right side
    13,106x = 333,245,025
  5. Step 5: Solve for x
    x = 333,245,025/13,106
  6. Step 6: Final answer
    x = 25,426.91

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.