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Finding the Third Proportional to 273 and 316.50

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Solution

The third proportional to 273 and 316.50 is: 366.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    273 : 316.50 = 316.50 : x
  2. Step 2: Convert to fraction form
    273/316.50 = 316.50/x
  3. Step 3: Cross multiply
    273x = 316.50 × 316.50
  4. Step 4: Simplify right side
    273x = 100,172.25
  5. Step 5: Solve for x
    x = 100,172.25/273
  6. Step 6: Final answer
    x = 366.93

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These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.