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Finding the Third Proportional to 845,849 and 1,311,723

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Solution

The third proportional to 845,849 and 1,311,723 is: 2,034,189.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,849 : 1,311,723 = 1,311,723 : x
  2. Step 2: Convert to fraction form
    845,849/1,311,723 = 1,311,723/x
  3. Step 3: Cross multiply
    845,849x = 1,311,723 × 1,311,723
  4. Step 4: Simplify right side
    845,849x = 1,720,617,228,729
  5. Step 5: Solve for x
    x = 1,720,617,228,729/845,849
  6. Step 6: Final answer
    x = 2,034,189.59

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.