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Finding the Third Proportional to 2,430 and 3,241

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Solution

The third proportional to 2,430 and 3,241 is: 4,322.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430 : 3,241 = 3,241 : x
  2. Step 2: Convert to fraction form
    2,430/3,241 = 3,241/x
  3. Step 3: Cross multiply
    2,430x = 3,241 × 3,241
  4. Step 4: Simplify right side
    2,430x = 10,504,081
  5. Step 5: Solve for x
    x = 10,504,081/2,430
  6. Step 6: Final answer
    x = 4,322.67

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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.