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Finding the Third Proportional to 1,663.03 and 3,633.61

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Solution

The third proportional to 1,663.03 and 3,633.61 is: 7,939.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663.03 : 3,633.61 = 3,633.61 : x
  2. Step 2: Convert to fraction form
    1,663.03/3,633.61 = 3,633.61/x
  3. Step 3: Cross multiply
    1,663.03x = 3,633.61 × 3,633.61
  4. Step 4: Simplify right side
    1,663.03x = 13,203,117.09
  5. Step 5: Solve for x
    x = 13,203,117.09/1,663.03
  6. Step 6: Final answer
    x = 7,939.19

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.