Finding the Third Proportional to 1,395 and 3,300
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Solution
The third proportional to 1,395 and 3,300 is: 7,806.45
Step by Step Solution
- Step 1: Write the proportion equation
1,395 : 3,300 = 3,300 : x - Step 2: Convert to fraction form
1,395/3,300 = 3,300/x - Step 3: Cross multiply
1,395x = 3,300 × 3,300 - Step 4: Simplify right side
1,395x = 10,890,000 - Step 5: Solve for x
x = 10,890,000/1,395 - Step 6: Final answer
x = 7,806.45
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These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.