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Finding the Third Proportional to 1,706.63 and 3,747.38

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Solution

The third proportional to 1,706.63 and 3,747.38 is: 8,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.63 : 3,747.38 = 3,747.38 : x
  2. Step 2: Convert to fraction form
    1,706.63/3,747.38 = 3,747.38/x
  3. Step 3: Cross multiply
    1,706.63x = 3,747.38 × 3,747.38
  4. Step 4: Simplify right side
    1,706.63x = 14,042,819.39
  5. Step 5: Solve for x
    x = 14,042,819.39/1,706.63
  6. Step 6: Final answer
    x = 8,228.42

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.