Finding the Third Proportional to 275 and 578.50
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Solution
The third proportional to 275 and 578.50 is: 1,216.95
Step by Step Solution
- Step 1: Write the proportion equation
275 : 578.50 = 578.50 : x - Step 2: Convert to fraction form
275/578.50 = 578.50/x - Step 3: Cross multiply
275x = 578.50 × 578.50 - Step 4: Simplify right side
275x = 334,662.25 - Step 5: Solve for x
x = 334,662.25/275 - Step 6: Final answer
x = 1,216.95
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Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.