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Finding the Third Proportional to 2,330 and 2,818

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Solution

The third proportional to 2,330 and 2,818 is: 3,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330 : 2,818 = 2,818 : x
  2. Step 2: Convert to fraction form
    2,330/2,818 = 2,818/x
  3. Step 3: Cross multiply
    2,330x = 2,818 × 2,818
  4. Step 4: Simplify right side
    2,330x = 7,941,124
  5. Step 5: Solve for x
    x = 7,941,124/2,330
  6. Step 6: Final answer
    x = 3,408.21

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.