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Finding the Third Proportional to 1,766.81 and 3,840.54

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Solution

The third proportional to 1,766.81 and 3,840.54 is: 8,348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.81 : 3,840.54 = 3,840.54 : x
  2. Step 2: Convert to fraction form
    1,766.81/3,840.54 = 3,840.54/x
  3. Step 3: Cross multiply
    1,766.81x = 3,840.54 × 3,840.54
  4. Step 4: Simplify right side
    1,766.81x = 14,749,740.29
  5. Step 5: Solve for x
    x = 14,749,740.29/1,766.81
  6. Step 6: Final answer
    x = 8,348.22

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.