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Finding the Third Proportional to 443,669.63 and 665,288.44

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Solution

The third proportional to 443,669.63 and 665,288.44 is: 997,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,669.63 : 665,288.44 = 665,288.44 : x
  2. Step 2: Convert to fraction form
    443,669.63/665,288.44 = 665,288.44/x
  3. Step 3: Cross multiply
    443,669.63x = 665,288.44 × 665,288.44
  4. Step 4: Simplify right side
    443,669.63x = 442,608,705,071.19
  5. Step 5: Solve for x
    x = 442,608,705,071.19/443,669.63
  6. Step 6: Final answer
    x = 997,608.76

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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.