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Finding the Third Proportional to 839,100 and 1,810,878

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Solution

The third proportional to 839,100 and 1,810,878 is: 3,908,090.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,100 : 1,810,878 = 1,810,878 : x
  2. Step 2: Convert to fraction form
    839,100/1,810,878 = 1,810,878/x
  3. Step 3: Cross multiply
    839,100x = 1,810,878 × 1,810,878
  4. Step 4: Simplify right side
    839,100x = 3,279,279,130,884
  5. Step 5: Solve for x
    x = 3,279,279,130,884/839,100
  6. Step 6: Final answer
    x = 3,908,090.97

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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.