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Finding the Third Proportional to 211,392 and 327,180

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Solution

The third proportional to 211,392 and 327,180 is: 506,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,392 : 327,180 = 327,180 : x
  2. Step 2: Convert to fraction form
    211,392/327,180 = 327,180/x
  3. Step 3: Cross multiply
    211,392x = 327,180 × 327,180
  4. Step 4: Simplify right side
    211,392x = 107,046,752,400
  5. Step 5: Solve for x
    x = 107,046,752,400/211,392
  6. Step 6: Final answer
    x = 506,389.80

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.