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Finding the Third Proportional to 1,905,405 and 4,087,101

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Solution

The third proportional to 1,905,405 and 4,087,101 is: 8,766,847.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,405 : 4,087,101 = 4,087,101 : x
  2. Step 2: Convert to fraction form
    1,905,405/4,087,101 = 4,087,101/x
  3. Step 3: Cross multiply
    1,905,405x = 4,087,101 × 4,087,101
  4. Step 4: Simplify right side
    1,905,405x = 16,704,394,584,201
  5. Step 5: Solve for x
    x = 16,704,394,584,201/1,905,405
  6. Step 6: Final answer
    x = 8,766,847.25

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.