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Finding the Third Proportional to 818,718 and 1,761,852

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Solution

The third proportional to 818,718 and 1,761,852 is: 3,791,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,718 : 1,761,852 = 1,761,852 : x
  2. Step 2: Convert to fraction form
    818,718/1,761,852 = 1,761,852/x
  3. Step 3: Cross multiply
    818,718x = 1,761,852 × 1,761,852
  4. Step 4: Simplify right side
    818,718x = 3,104,122,469,904
  5. Step 5: Solve for x
    x = 3,104,122,469,904/818,718
  6. Step 6: Final answer
    x = 3,791,442.80

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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.