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Finding the Third Proportional to 13,236 and 18,864

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Solution

The third proportional to 13,236 and 18,864 is: 26,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236 : 18,864 = 18,864 : x
  2. Step 2: Convert to fraction form
    13,236/18,864 = 18,864/x
  3. Step 3: Cross multiply
    13,236x = 18,864 × 18,864
  4. Step 4: Simplify right side
    13,236x = 355,850,496
  5. Step 5: Solve for x
    x = 355,850,496/13,236
  6. Step 6: Final answer
    x = 26,885.05

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.