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Finding the Third Proportional to 2,819,505 and 4,539,815.25

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Solution

The third proportional to 2,819,505 and 4,539,815.25 is: 7,309,766.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,505 : 4,539,815.25 = 4,539,815.25 : x
  2. Step 2: Convert to fraction form
    2,819,505/4,539,815.25 = 4,539,815.25/x
  3. Step 3: Cross multiply
    2,819,505x = 4,539,815.25 × 4,539,815.25
  4. Step 4: Simplify right side
    2,819,505x = 20,609,922,504,132.56
  5. Step 5: Solve for x
    x = 20,609,922,504,132.56/2,819,505
  6. Step 6: Final answer
    x = 7,309,766.25

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.