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Finding the Third Proportional to 1,830,779 and 3,987,029

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Solution

The third proportional to 1,830,779 and 3,987,029 is: 8,682,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830,779 : 3,987,029 = 3,987,029 : x
  2. Step 2: Convert to fraction form
    1,830,779/3,987,029 = 3,987,029/x
  3. Step 3: Cross multiply
    1,830,779x = 3,987,029 × 3,987,029
  4. Step 4: Simplify right side
    1,830,779x = 15,896,400,246,841
  5. Step 5: Solve for x
    x = 15,896,400,246,841/1,830,779
  6. Step 6: Final answer
    x = 8,682,861.36

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.