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Finding the Third Proportional to 13,132 and 19,855

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Solution

The third proportional to 13,132 and 19,855 is: 30,019.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132 : 19,855 = 19,855 : x
  2. Step 2: Convert to fraction form
    13,132/19,855 = 19,855/x
  3. Step 3: Cross multiply
    13,132x = 19,855 × 19,855
  4. Step 4: Simplify right side
    13,132x = 394,221,025
  5. Step 5: Solve for x
    x = 394,221,025/13,132
  6. Step 6: Final answer
    x = 30,019.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.