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Finding the Third Proportional to 13,740 and 27,264

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Solution

The third proportional to 13,740 and 27,264 is: 54,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740 : 27,264 = 27,264 : x
  2. Step 2: Convert to fraction form
    13,740/27,264 = 27,264/x
  3. Step 3: Cross multiply
    13,740x = 27,264 × 27,264
  4. Step 4: Simplify right side
    13,740x = 743,325,696
  5. Step 5: Solve for x
    x = 743,325,696/13,740
  6. Step 6: Final answer
    x = 54,099.40

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.