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Finding the Third Proportional to 827,147.32 and 1,821,907.69

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Solution

The third proportional to 827,147.32 and 1,821,907.69 is: 4,013,006.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,147.32 : 1,821,907.69 = 1,821,907.69 : x
  2. Step 2: Convert to fraction form
    827,147.32/1,821,907.69 = 1,821,907.69/x
  3. Step 3: Cross multiply
    827,147.32x = 1,821,907.69 × 1,821,907.69
  4. Step 4: Simplify right side
    827,147.32x = 3,319,347,621,771.60
  5. Step 5: Solve for x
    x = 3,319,347,621,771.60/827,147.32
  6. Step 6: Final answer
    x = 4,013,006.56

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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.