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Finding the Third Proportional to 409,889,841 and 892,557,555

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Solution

The third proportional to 409,889,841 and 892,557,555 is: 1,943,592,910.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,889,841 : 892,557,555 = 892,557,555 : x
  2. Step 2: Convert to fraction form
    409,889,841/892,557,555 = 892,557,555/x
  3. Step 3: Cross multiply
    409,889,841x = 892,557,555 × 892,557,555
  4. Step 4: Simplify right side
    409,889,841x = 796,658,988,987,577,984
  5. Step 5: Solve for x
    x = 796,658,988,987,577,984/409,889,841
  6. Step 6: Final answer
    x = 1,943,592,910.34

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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.