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Finding the Third Proportional to 874,908 and 1,882,728

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Solution

The third proportional to 874,908 and 1,882,728 is: 4,051,471.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,908 : 1,882,728 = 1,882,728 : x
  2. Step 2: Convert to fraction form
    874,908/1,882,728 = 1,882,728/x
  3. Step 3: Cross multiply
    874,908x = 1,882,728 × 1,882,728
  4. Step 4: Simplify right side
    874,908x = 3,544,664,721,984
  5. Step 5: Solve for x
    x = 3,544,664,721,984/874,908
  6. Step 6: Final answer
    x = 4,051,471.38

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.