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Finding the Third Proportional to 431,194 and 937,890

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Solution

The third proportional to 431,194 and 937,890 is: 2,040,004.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,194 : 937,890 = 937,890 : x
  2. Step 2: Convert to fraction form
    431,194/937,890 = 937,890/x
  3. Step 3: Cross multiply
    431,194x = 937,890 × 937,890
  4. Step 4: Simplify right side
    431,194x = 879,637,652,100
  5. Step 5: Solve for x
    x = 879,637,652,100/431,194
  6. Step 6: Final answer
    x = 2,040,004.39

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.