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Finding the Third Proportional to 13,716 and 19,425

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Solution

The third proportional to 13,716 and 19,425 is: 27,510.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716 : 19,425 = 19,425 : x
  2. Step 2: Convert to fraction form
    13,716/19,425 = 19,425/x
  3. Step 3: Cross multiply
    13,716x = 19,425 × 19,425
  4. Step 4: Simplify right side
    13,716x = 377,330,625
  5. Step 5: Solve for x
    x = 377,330,625/13,716
  6. Step 6: Final answer
    x = 27,510.25

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.