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Finding the Third Proportional to 1,027.69 and 1,635.19

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Solution

The third proportional to 1,027.69 and 1,635.19 is: 2,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.69 : 1,635.19 = 1,635.19 : x
  2. Step 2: Convert to fraction form
    1,027.69/1,635.19 = 1,635.19/x
  3. Step 3: Cross multiply
    1,027.69x = 1,635.19 × 1,635.19
  4. Step 4: Simplify right side
    1,027.69x = 2,673,838.16
  5. Step 5: Solve for x
    x = 2,673,838.16/1,027.69
  6. Step 6: Final answer
    x = 2,601.80

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.