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Finding the Third Proportional to 2,328 and 3,556

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Solution

The third proportional to 2,328 and 3,556 is: 5,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328 : 3,556 = 3,556 : x
  2. Step 2: Convert to fraction form
    2,328/3,556 = 3,556/x
  3. Step 3: Cross multiply
    2,328x = 3,556 × 3,556
  4. Step 4: Simplify right side
    2,328x = 12,645,136
  5. Step 5: Solve for x
    x = 12,645,136/2,328
  6. Step 6: Final answer
    x = 5,431.76

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.