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Finding the Third Proportional to 13,912 and 16,360

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Solution

The third proportional to 13,912 and 16,360 is: 19,238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912 : 16,360 = 16,360 : x
  2. Step 2: Convert to fraction form
    13,912/16,360 = 16,360/x
  3. Step 3: Cross multiply
    13,912x = 16,360 × 16,360
  4. Step 4: Simplify right side
    13,912x = 267,649,600
  5. Step 5: Solve for x
    x = 267,649,600/13,912
  6. Step 6: Final answer
    x = 19,238.76

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.