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Finding the Third Proportional to 441.63 and 699.19

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Solution

The third proportional to 441.63 and 699.19 is: 1,106.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.63 : 699.19 = 699.19 : x
  2. Step 2: Convert to fraction form
    441.63/699.19 = 699.19/x
  3. Step 3: Cross multiply
    441.63x = 699.19 × 699.19
  4. Step 4: Simplify right side
    441.63x = 488,863.16
  5. Step 5: Solve for x
    x = 488,863.16/441.63
  6. Step 6: Final answer
    x = 1,106.96

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.