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Finding the Third Proportional to 629.50 and 763

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Solution

The third proportional to 629.50 and 763 is: 924.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.50 : 763 = 763 : x
  2. Step 2: Convert to fraction form
    629.50/763 = 763/x
  3. Step 3: Cross multiply
    629.50x = 763 × 763
  4. Step 4: Simplify right side
    629.50x = 582,169
  5. Step 5: Solve for x
    x = 582,169/629.50
  6. Step 6: Final answer
    x = 924.81

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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.