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Finding the Third Proportional to 1,351 and 2,804

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Solution

The third proportional to 1,351 and 2,804 is: 5,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351 : 2,804 = 2,804 : x
  2. Step 2: Convert to fraction form
    1,351/2,804 = 2,804/x
  3. Step 3: Cross multiply
    1,351x = 2,804 × 2,804
  4. Step 4: Simplify right side
    1,351x = 7,862,416
  5. Step 5: Solve for x
    x = 7,862,416/1,351
  6. Step 6: Final answer
    x = 5,819.70

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.