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Finding the Third Proportional to 805,069.13 and 1,089,485.44

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Solution

The third proportional to 805,069.13 and 1,089,485.44 is: 1,474,380.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,069.13 : 1,089,485.44 = 1,089,485.44 : x
  2. Step 2: Convert to fraction form
    805,069.13/1,089,485.44 = 1,089,485.44/x
  3. Step 3: Cross multiply
    805,069.13x = 1,089,485.44 × 1,089,485.44
  4. Step 4: Simplify right side
    805,069.13x = 1,186,978,518,524.57
  5. Step 5: Solve for x
    x = 1,186,978,518,524.57/805,069.13
  6. Step 6: Final answer
    x = 1,474,380.87

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.