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Finding the Third Proportional to 205.41 and 449.06

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Solution

The third proportional to 205.41 and 449.06 is: 981.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    205.41 : 449.06 = 449.06 : x
  2. Step 2: Convert to fraction form
    205.41/449.06 = 449.06/x
  3. Step 3: Cross multiply
    205.41x = 449.06 × 449.06
  4. Step 4: Simplify right side
    205.41x = 201,657.13
  5. Step 5: Solve for x
    x = 201,657.13/205.41
  6. Step 6: Final answer
    x = 981.75

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.