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Finding the Third Proportional to 874,179 and 1,902,177

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Solution

The third proportional to 874,179 and 1,902,177 is: 4,139,057.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,179 : 1,902,177 = 1,902,177 : x
  2. Step 2: Convert to fraction form
    874,179/1,902,177 = 1,902,177/x
  3. Step 3: Cross multiply
    874,179x = 1,902,177 × 1,902,177
  4. Step 4: Simplify right side
    874,179x = 3,618,277,339,329
  5. Step 5: Solve for x
    x = 3,618,277,339,329/874,179
  6. Step 6: Final answer
    x = 4,139,057.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.