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Finding the Third Proportional to 1,229,149.50 and 1,928,172

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Solution

The third proportional to 1,229,149.50 and 1,928,172 is: 3,024,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,149.50 : 1,928,172 = 1,928,172 : x
  2. Step 2: Convert to fraction form
    1,229,149.50/1,928,172 = 1,928,172/x
  3. Step 3: Cross multiply
    1,229,149.50x = 1,928,172 × 1,928,172
  4. Step 4: Simplify right side
    1,229,149.50x = 3,717,847,261,584
  5. Step 5: Solve for x
    x = 3,717,847,261,584/1,229,149.50
  6. Step 6: Final answer
    x = 3,024,731.54

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.