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Finding the Third Proportional to 377.50 and 501

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Solution

The third proportional to 377.50 and 501 is: 664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.50 : 501 = 501 : x
  2. Step 2: Convert to fraction form
    377.50/501 = 501/x
  3. Step 3: Cross multiply
    377.50x = 501 × 501
  4. Step 4: Simplify right side
    377.50x = 251,001
  5. Step 5: Solve for x
    x = 251,001/377.50
  6. Step 6: Final answer
    x = 664.90

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.