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Finding the Third Proportional to 11,864 and 18,453

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Solution

The third proportional to 11,864 and 18,453 is: 28,701.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,864 : 18,453 = 18,453 : x
  2. Step 2: Convert to fraction form
    11,864/18,453 = 18,453/x
  3. Step 3: Cross multiply
    11,864x = 18,453 × 18,453
  4. Step 4: Simplify right side
    11,864x = 340,513,209
  5. Step 5: Solve for x
    x = 340,513,209/11,864
  6. Step 6: Final answer
    x = 28,701.38

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.