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Finding the Third Proportional to 1,747 and 3,818

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Solution

The third proportional to 1,747 and 3,818 is: 8,344.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747 : 3,818 = 3,818 : x
  2. Step 2: Convert to fraction form
    1,747/3,818 = 3,818/x
  3. Step 3: Cross multiply
    1,747x = 3,818 × 3,818
  4. Step 4: Simplify right side
    1,747x = 14,577,124
  5. Step 5: Solve for x
    x = 14,577,124/1,747
  6. Step 6: Final answer
    x = 8,344.09

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.