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Finding the Third Proportional to 1,004.06 and 1,905.61

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Solution

The third proportional to 1,004.06 and 1,905.61 is: 3,616.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004.06 : 1,905.61 = 1,905.61 : x
  2. Step 2: Convert to fraction form
    1,004.06/1,905.61 = 1,905.61/x
  3. Step 3: Cross multiply
    1,004.06x = 1,905.61 × 1,905.61
  4. Step 4: Simplify right side
    1,004.06x = 3,631,347.09
  5. Step 5: Solve for x
    x = 3,631,347.09/1,004.06
  6. Step 6: Final answer
    x = 3,616.65

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These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.