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Finding the Third Proportional to 13,692 and 25,440

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Solution

The third proportional to 13,692 and 25,440 is: 47,268.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692 : 25,440 = 25,440 : x
  2. Step 2: Convert to fraction form
    13,692/25,440 = 25,440/x
  3. Step 3: Cross multiply
    13,692x = 25,440 × 25,440
  4. Step 4: Simplify right side
    13,692x = 647,193,600
  5. Step 5: Solve for x
    x = 647,193,600/13,692
  6. Step 6: Final answer
    x = 47,268.01

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.