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Finding the Third Proportional to 845,874 and 1,245,447

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Solution

The third proportional to 845,874 and 1,245,447 is: 1,833,769.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,874 : 1,245,447 = 1,245,447 : x
  2. Step 2: Convert to fraction form
    845,874/1,245,447 = 1,245,447/x
  3. Step 3: Cross multiply
    845,874x = 1,245,447 × 1,245,447
  4. Step 4: Simplify right side
    845,874x = 1,551,138,229,809
  5. Step 5: Solve for x
    x = 1,551,138,229,809/845,874
  6. Step 6: Final answer
    x = 1,833,769.84

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.