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Finding the Third Proportional to 876,654 and 1,889,874

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Solution

The third proportional to 876,654 and 1,889,874 is: 4,074,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,654 : 1,889,874 = 1,889,874 : x
  2. Step 2: Convert to fraction form
    876,654/1,889,874 = 1,889,874/x
  3. Step 3: Cross multiply
    876,654x = 1,889,874 × 1,889,874
  4. Step 4: Simplify right side
    876,654x = 3,571,623,735,876
  5. Step 5: Solve for x
    x = 3,571,623,735,876/876,654
  6. Step 6: Final answer
    x = 4,074,154.38

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.