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Finding the Third Proportional to 13,712 and 18,228

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Solution

The third proportional to 13,712 and 18,228 is: 24,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712 : 18,228 = 18,228 : x
  2. Step 2: Convert to fraction form
    13,712/18,228 = 18,228/x
  3. Step 3: Cross multiply
    13,712x = 18,228 × 18,228
  4. Step 4: Simplify right side
    13,712x = 332,259,984
  5. Step 5: Solve for x
    x = 332,259,984/13,712
  6. Step 6: Final answer
    x = 24,231.33

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.