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Finding the Third Proportional to 2,061 and 2,808

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Solution

The third proportional to 2,061 and 2,808 is: 3,825.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,061 : 2,808 = 2,808 : x
  2. Step 2: Convert to fraction form
    2,061/2,808 = 2,808/x
  3. Step 3: Cross multiply
    2,061x = 2,808 × 2,808
  4. Step 4: Simplify right side
    2,061x = 7,884,864
  5. Step 5: Solve for x
    x = 7,884,864/2,061
  6. Step 6: Final answer
    x = 3,825.75

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.