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Finding the Third Proportional to 3,788 and 5,549

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Solution

The third proportional to 3,788 and 5,549 is: 8,128.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788 : 5,549 = 5,549 : x
  2. Step 2: Convert to fraction form
    3,788/5,549 = 5,549/x
  3. Step 3: Cross multiply
    3,788x = 5,549 × 5,549
  4. Step 4: Simplify right side
    3,788x = 30,791,401
  5. Step 5: Solve for x
    x = 30,791,401/3,788
  6. Step 6: Final answer
    x = 8,128.67

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.