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Finding the Third Proportional to 327 and 472.50

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Solution

The third proportional to 327 and 472.50 is: 682.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    327 : 472.50 = 472.50 : x
  2. Step 2: Convert to fraction form
    327/472.50 = 472.50/x
  3. Step 3: Cross multiply
    327x = 472.50 × 472.50
  4. Step 4: Simplify right side
    327x = 223,256.25
  5. Step 5: Solve for x
    x = 223,256.25/327
  6. Step 6: Final answer
    x = 682.74

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.