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Finding the Third Proportional to 1,777,309.50 and 2,539,775.25

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Solution

The third proportional to 1,777,309.50 and 2,539,775.25 is: 3,629,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,309.50 : 2,539,775.25 = 2,539,775.25 : x
  2. Step 2: Convert to fraction form
    1,777,309.50/2,539,775.25 = 2,539,775.25/x
  3. Step 3: Cross multiply
    1,777,309.50x = 2,539,775.25 × 2,539,775.25
  4. Step 4: Simplify right side
    1,777,309.50x = 6,450,458,320,512.56
  5. Step 5: Solve for x
    x = 6,450,458,320,512.56/1,777,309.50
  6. Step 6: Final answer
    x = 3,629,338.80

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.