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Finding the Third Proportional to 462 and 616.50

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Solution

The third proportional to 462 and 616.50 is: 822.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    462 : 616.50 = 616.50 : x
  2. Step 2: Convert to fraction form
    462/616.50 = 616.50/x
  3. Step 3: Cross multiply
    462x = 616.50 × 616.50
  4. Step 4: Simplify right side
    462x = 380,072.25
  5. Step 5: Solve for x
    x = 380,072.25/462
  6. Step 6: Final answer
    x = 822.67

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