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Finding the Third Proportional to 361,242 and 793,990

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Solution

The third proportional to 361,242 and 793,990 is: 1,745,146.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,242 : 793,990 = 793,990 : x
  2. Step 2: Convert to fraction form
    361,242/793,990 = 793,990/x
  3. Step 3: Cross multiply
    361,242x = 793,990 × 793,990
  4. Step 4: Simplify right side
    361,242x = 630,420,120,100
  5. Step 5: Solve for x
    x = 630,420,120,100/361,242
  6. Step 6: Final answer
    x = 1,745,146.25

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.