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Finding the Third Proportional to 2,257 and 5,396

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Solution

The third proportional to 2,257 and 5,396 is: 12,900.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257 : 5,396 = 5,396 : x
  2. Step 2: Convert to fraction form
    2,257/5,396 = 5,396/x
  3. Step 3: Cross multiply
    2,257x = 5,396 × 5,396
  4. Step 4: Simplify right side
    2,257x = 29,116,816
  5. Step 5: Solve for x
    x = 29,116,816/2,257
  6. Step 6: Final answer
    x = 12,900.67

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.