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Finding the Third Proportional to 454.36 and 995.41

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Solution

The third proportional to 454.36 and 995.41 is: 2,180.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    454.36 : 995.41 = 995.41 : x
  2. Step 2: Convert to fraction form
    454.36/995.41 = 995.41/x
  3. Step 3: Cross multiply
    454.36x = 995.41 × 995.41
  4. Step 4: Simplify right side
    454.36x = 990,849.16
  5. Step 5: Solve for x
    x = 990,849.16/454.36
  6. Step 6: Final answer
    x = 2,180.76

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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.