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Finding the Third Proportional to 845,868 and 1,831,128

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Solution

The third proportional to 845,868 and 1,831,128 is: 3,964,010.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,868 : 1,831,128 = 1,831,128 : x
  2. Step 2: Convert to fraction form
    845,868/1,831,128 = 1,831,128/x
  3. Step 3: Cross multiply
    845,868x = 1,831,128 × 1,831,128
  4. Step 4: Simplify right side
    845,868x = 3,353,029,752,384
  5. Step 5: Solve for x
    x = 3,353,029,752,384/845,868
  6. Step 6: Final answer
    x = 3,964,010.64

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.