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Finding the Third Proportional to 2,141.44 and 2,840.91

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Solution

The third proportional to 2,141.44 and 2,840.91 is: 3,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141.44 : 2,840.91 = 2,840.91 : x
  2. Step 2: Convert to fraction form
    2,141.44/2,840.91 = 2,840.91/x
  3. Step 3: Cross multiply
    2,141.44x = 2,840.91 × 2,840.91
  4. Step 4: Simplify right side
    2,141.44x = 8,070,748.32
  5. Step 5: Solve for x
    x = 8,070,748.32/2,141.44
  6. Step 6: Final answer
    x = 3,768.85

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.