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Finding the Third Proportional to 1,238,576.63 and 1,744,140.38

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Solution

The third proportional to 1,238,576.63 and 1,744,140.38 is: 2,456,065.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,576.63 : 1,744,140.38 = 1,744,140.38 : x
  2. Step 2: Convert to fraction form
    1,238,576.63/1,744,140.38 = 1,744,140.38/x
  3. Step 3: Cross multiply
    1,238,576.63x = 1,744,140.38 × 1,744,140.38
  4. Step 4: Simplify right side
    1,238,576.63x = 3,042,025,647,705.14
  5. Step 5: Solve for x
    x = 3,042,025,647,705.14/1,238,576.63
  6. Step 6: Final answer
    x = 2,456,065.77

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.