Finding the Third Proportional to 756 and 969.50
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Solution
The third proportional to 756 and 969.50 is: 1,243.29
Step by Step Solution
- Step 1: Write the proportion equation
756 : 969.50 = 969.50 : x - Step 2: Convert to fraction form
756/969.50 = 969.50/x - Step 3: Cross multiply
756x = 969.50 × 969.50 - Step 4: Simplify right side
756x = 939,930.25 - Step 5: Solve for x
x = 939,930.25/756 - Step 6: Final answer
x = 1,243.29
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Why These Related Problems?
These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.