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Finding the Third Proportional to 811,910 and 1,135,098

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Solution

The third proportional to 811,910 and 1,135,098 is: 1,586,933.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,910 : 1,135,098 = 1,135,098 : x
  2. Step 2: Convert to fraction form
    811,910/1,135,098 = 1,135,098/x
  3. Step 3: Cross multiply
    811,910x = 1,135,098 × 1,135,098
  4. Step 4: Simplify right side
    811,910x = 1,288,447,469,604
  5. Step 5: Solve for x
    x = 1,288,447,469,604/811,910
  6. Step 6: Final answer
    x = 1,586,933.86

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.