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Finding the Third Proportional to 1,248,697.69 and 1,868,028.75

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Solution

The third proportional to 1,248,697.69 and 1,868,028.75 is: 2,794,536.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,697.69 : 1,868,028.75 = 1,868,028.75 : x
  2. Step 2: Convert to fraction form
    1,248,697.69/1,868,028.75 = 1,868,028.75/x
  3. Step 3: Cross multiply
    1,248,697.69x = 1,868,028.75 × 1,868,028.75
  4. Step 4: Simplify right side
    1,248,697.69x = 3,489,531,410,826.56
  5. Step 5: Solve for x
    x = 3,489,531,410,826.56/1,248,697.69
  6. Step 6: Final answer
    x = 2,794,536.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.