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Finding the Third Proportional to 3,570,576.75 and 8,427,390

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Solution

The third proportional to 3,570,576.75 and 8,427,390 is: 19,890,596.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570,576.75 : 8,427,390 = 8,427,390 : x
  2. Step 2: Convert to fraction form
    3,570,576.75/8,427,390 = 8,427,390/x
  3. Step 3: Cross multiply
    3,570,576.75x = 8,427,390 × 8,427,390
  4. Step 4: Simplify right side
    3,570,576.75x = 71,020,902,212,100
  5. Step 5: Solve for x
    x = 71,020,902,212,100/3,570,576.75
  6. Step 6: Final answer
    x = 19,890,596.73

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.