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Finding the Third Proportional to 615,444 and 1,279,812

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Solution

The third proportional to 615,444 and 1,279,812 is: 2,661,361.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,444 : 1,279,812 = 1,279,812 : x
  2. Step 2: Convert to fraction form
    615,444/1,279,812 = 1,279,812/x
  3. Step 3: Cross multiply
    615,444x = 1,279,812 × 1,279,812
  4. Step 4: Simplify right side
    615,444x = 1,637,918,755,344
  5. Step 5: Solve for x
    x = 1,637,918,755,344/615,444
  6. Step 6: Final answer
    x = 2,661,361.16

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.