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Finding the Third Proportional to 443,586.94 and 664,629.19

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Solution

The third proportional to 443,586.94 and 664,629.19 is: 995,818.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,586.94 : 664,629.19 = 664,629.19 : x
  2. Step 2: Convert to fraction form
    443,586.94/664,629.19 = 664,629.19/x
  3. Step 3: Cross multiply
    443,586.94x = 664,629.19 × 664,629.19
  4. Step 4: Simplify right side
    443,586.94x = 441,731,956,876.91
  5. Step 5: Solve for x
    x = 441,731,956,876.91/443,586.94
  6. Step 6: Final answer
    x = 995,818.23

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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.