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Finding the Third Proportional to 218,418.38 and 467,204.63

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Solution

The third proportional to 218,418.38 and 467,204.63 is: 999,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,418.38 : 467,204.63 = 467,204.63 : x
  2. Step 2: Convert to fraction form
    218,418.38/467,204.63 = 467,204.63/x
  3. Step 3: Cross multiply
    218,418.38x = 467,204.63 × 467,204.63
  4. Step 4: Simplify right side
    218,418.38x = 218,280,161,621.39
  5. Step 5: Solve for x
    x = 218,280,161,621.39/218,418.38
  6. Step 6: Final answer
    x = 999,367.21

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.