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Finding the Third Proportional to 383,635 and 580,783

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Solution

The third proportional to 383,635 and 580,783 is: 879,244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,635 : 580,783 = 580,783 : x
  2. Step 2: Convert to fraction form
    383,635/580,783 = 580,783/x
  3. Step 3: Cross multiply
    383,635x = 580,783 × 580,783
  4. Step 4: Simplify right side
    383,635x = 337,308,893,089
  5. Step 5: Solve for x
    x = 337,308,893,089/383,635
  6. Step 6: Final answer
    x = 879,244.32

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.