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Finding the Third Proportional to 18,241 and 28,171

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Solution

The third proportional to 18,241 and 28,171 is: 43,506.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241 : 28,171 = 28,171 : x
  2. Step 2: Convert to fraction form
    18,241/28,171 = 28,171/x
  3. Step 3: Cross multiply
    18,241x = 28,171 × 28,171
  4. Step 4: Simplify right side
    18,241x = 793,605,241
  5. Step 5: Solve for x
    x = 793,605,241/18,241
  6. Step 6: Final answer
    x = 43,506.67

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.