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Finding the Third Proportional to 1,445.66 and 2,164.54

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Solution

The third proportional to 1,445.66 and 2,164.54 is: 3,240.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.66 : 2,164.54 = 2,164.54 : x
  2. Step 2: Convert to fraction form
    1,445.66/2,164.54 = 2,164.54/x
  3. Step 3: Cross multiply
    1,445.66x = 2,164.54 × 2,164.54
  4. Step 4: Simplify right side
    1,445.66x = 4,685,212.44
  5. Step 5: Solve for x
    x = 4,685,212.44/1,445.66
  6. Step 6: Final answer
    x = 3,240.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.