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Finding the Third Proportional to 1,250,147.25 and 1,866,987

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Solution

The third proportional to 1,250,147.25 and 1,866,987 is: 2,788,183.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,147.25 : 1,866,987 = 1,866,987 : x
  2. Step 2: Convert to fraction form
    1,250,147.25/1,866,987 = 1,866,987/x
  3. Step 3: Cross multiply
    1,250,147.25x = 1,866,987 × 1,866,987
  4. Step 4: Simplify right side
    1,250,147.25x = 3,485,640,458,169
  5. Step 5: Solve for x
    x = 3,485,640,458,169/1,250,147.25
  6. Step 6: Final answer
    x = 2,788,183.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.