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Finding the Third Proportional to 2,120 and 2,344

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Solution

The third proportional to 2,120 and 2,344 is: 2,591.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120 : 2,344 = 2,344 : x
  2. Step 2: Convert to fraction form
    2,120/2,344 = 2,344/x
  3. Step 3: Cross multiply
    2,120x = 2,344 × 2,344
  4. Step 4: Simplify right side
    2,120x = 5,494,336
  5. Step 5: Solve for x
    x = 5,494,336/2,120
  6. Step 6: Final answer
    x = 2,591.67

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.