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Finding the Third Proportional to 1,736.75 and 3,827.88

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Solution

The third proportional to 1,736.75 and 3,827.88 is: 8,436.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.75 : 3,827.88 = 3,827.88 : x
  2. Step 2: Convert to fraction form
    1,736.75/3,827.88 = 3,827.88/x
  3. Step 3: Cross multiply
    1,736.75x = 3,827.88 × 3,827.88
  4. Step 4: Simplify right side
    1,736.75x = 14,652,686.83
  5. Step 5: Solve for x
    x = 14,652,686.83/1,736.75
  6. Step 6: Final answer
    x = 8,436.82

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.