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Finding the Third Proportional to 1,891,589 and 2,856,999.50

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Solution

The third proportional to 1,891,589 and 2,856,999.50 is: 4,315,126.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,589 : 2,856,999.50 = 2,856,999.50 : x
  2. Step 2: Convert to fraction form
    1,891,589/2,856,999.50 = 2,856,999.50/x
  3. Step 3: Cross multiply
    1,891,589x = 2,856,999.50 × 2,856,999.50
  4. Step 4: Simplify right side
    1,891,589x = 8,162,446,143,000.25
  5. Step 5: Solve for x
    x = 8,162,446,143,000.25/1,891,589
  6. Step 6: Final answer
    x = 4,315,126.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.