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Finding the Third Proportional to 876,912 and 1,889,175

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Solution

The third proportional to 876,912 and 1,889,175 is: 4,069,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,912 : 1,889,175 = 1,889,175 : x
  2. Step 2: Convert to fraction form
    876,912/1,889,175 = 1,889,175/x
  3. Step 3: Cross multiply
    876,912x = 1,889,175 × 1,889,175
  4. Step 4: Simplify right side
    876,912x = 3,568,982,180,625
  5. Step 5: Solve for x
    x = 3,568,982,180,625/876,912
  6. Step 6: Final answer
    x = 4,069,943.37

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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.