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Finding the Third Proportional to 890,454.50 and 2,099,939

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Solution

The third proportional to 890,454.50 and 2,099,939 is: 4,952,239.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,454.50 : 2,099,939 = 2,099,939 : x
  2. Step 2: Convert to fraction form
    890,454.50/2,099,939 = 2,099,939/x
  3. Step 3: Cross multiply
    890,454.50x = 2,099,939 × 2,099,939
  4. Step 4: Simplify right side
    890,454.50x = 4,409,743,803,721
  5. Step 5: Solve for x
    x = 4,409,743,803,721/890,454.50
  6. Step 6: Final answer
    x = 4,952,239.34

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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.