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Finding the Third Proportional to 13,640 and 25,336

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Solution

The third proportional to 13,640 and 25,336 is: 47,061.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,640 : 25,336 = 25,336 : x
  2. Step 2: Convert to fraction form
    13,640/25,336 = 25,336/x
  3. Step 3: Cross multiply
    13,640x = 25,336 × 25,336
  4. Step 4: Simplify right side
    13,640x = 641,912,896
  5. Step 5: Solve for x
    x = 641,912,896/13,640
  6. Step 6: Final answer
    x = 47,061.06

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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.