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Finding the Third Proportional to 376 and 455.50

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Solution

The third proportional to 376 and 455.50 is: 551.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    376 : 455.50 = 455.50 : x
  2. Step 2: Convert to fraction form
    376/455.50 = 455.50/x
  3. Step 3: Cross multiply
    376x = 455.50 × 455.50
  4. Step 4: Simplify right side
    376x = 207,480.25
  5. Step 5: Solve for x
    x = 207,480.25/376
  6. Step 6: Final answer
    x = 551.81

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These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.