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Finding the Third Proportional to 1,632.66 and 3,409.17

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Solution

The third proportional to 1,632.66 and 3,409.17 is: 7,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.66 : 3,409.17 = 3,409.17 : x
  2. Step 2: Convert to fraction form
    1,632.66/3,409.17 = 3,409.17/x
  3. Step 3: Cross multiply
    1,632.66x = 3,409.17 × 3,409.17
  4. Step 4: Simplify right side
    1,632.66x = 11,622,452.87
  5. Step 5: Solve for x
    x = 11,622,452.87/1,632.66
  6. Step 6: Final answer
    x = 7,118.74

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.