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Finding the Third Proportional to 2,106 and 2,331

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Solution

The third proportional to 2,106 and 2,331 is: 2,580.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106 : 2,331 = 2,331 : x
  2. Step 2: Convert to fraction form
    2,106/2,331 = 2,331/x
  3. Step 3: Cross multiply
    2,106x = 2,331 × 2,331
  4. Step 4: Simplify right side
    2,106x = 5,433,561
  5. Step 5: Solve for x
    x = 5,433,561/2,106
  6. Step 6: Final answer
    x = 2,580.04

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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.