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Finding the Third Proportional to 836.44 and 1,828.55

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Solution

The third proportional to 836.44 and 1,828.55 is: 3,997.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    836.44 : 1,828.55 = 1,828.55 : x
  2. Step 2: Convert to fraction form
    836.44/1,828.55 = 1,828.55/x
  3. Step 3: Cross multiply
    836.44x = 1,828.55 × 1,828.55
  4. Step 4: Simplify right side
    836.44x = 3,343,583.67
  5. Step 5: Solve for x
    x = 3,343,583.67/836.44
  6. Step 6: Final answer
    x = 3,997.41

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.