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Finding the Third Proportional to 1,801.41 and 2,808.84

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Solution

The third proportional to 1,801.41 and 2,808.84 is: 4,379.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.41 : 2,808.84 = 2,808.84 : x
  2. Step 2: Convert to fraction form
    1,801.41/2,808.84 = 2,808.84/x
  3. Step 3: Cross multiply
    1,801.41x = 2,808.84 × 2,808.84
  4. Step 4: Simplify right side
    1,801.41x = 7,889,603.21
  5. Step 5: Solve for x
    x = 7,889,603.21/1,801.41
  6. Step 6: Final answer
    x = 4,379.69

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.