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Finding the Third Proportional to 1,369.83 and 2,823.19

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Solution

The third proportional to 1,369.83 and 2,823.19 is: 5,818.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369.83 : 2,823.19 = 2,823.19 : x
  2. Step 2: Convert to fraction form
    1,369.83/2,823.19 = 2,823.19/x
  3. Step 3: Cross multiply
    1,369.83x = 2,823.19 × 2,823.19
  4. Step 4: Simplify right side
    1,369.83x = 7,970,387.66
  5. Step 5: Solve for x
    x = 7,970,387.66/1,369.83
  6. Step 6: Final answer
    x = 5,818.53

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.