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Finding the Third Proportional to 273,040.88 and 427,396.50

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Solution

The third proportional to 273,040.88 and 427,396.50 is: 669,012.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,040.88 : 427,396.50 = 427,396.50 : x
  2. Step 2: Convert to fraction form
    273,040.88/427,396.50 = 427,396.50/x
  3. Step 3: Cross multiply
    273,040.88x = 427,396.50 × 427,396.50
  4. Step 4: Simplify right side
    273,040.88x = 182,667,768,212.25
  5. Step 5: Solve for x
    x = 182,667,768,212.25/273,040.88
  6. Step 6: Final answer
    x = 669,012.54

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.