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Finding the Third Proportional to 1,782,900.75 and 2,825,435.81

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Solution

The third proportional to 1,782,900.75 and 2,825,435.81 is: 4,477,583.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,900.75 : 2,825,435.81 = 2,825,435.81 : x
  2. Step 2: Convert to fraction form
    1,782,900.75/2,825,435.81 = 2,825,435.81/x
  3. Step 3: Cross multiply
    1,782,900.75x = 2,825,435.81 × 2,825,435.81
  4. Step 4: Simplify right side
    1,782,900.75x = 7,983,087,530,557.54
  5. Step 5: Solve for x
    x = 7,983,087,530,557.54/1,782,900.75
  6. Step 6: Final answer
    x = 4,477,583.81

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.