Finding the Third Proportional to 360 and 618.50
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Solution
The third proportional to 360 and 618.50 is: 1,062.62
Step by Step Solution
- Step 1: Write the proportion equation
360 : 618.50 = 618.50 : x - Step 2: Convert to fraction form
360/618.50 = 618.50/x - Step 3: Cross multiply
360x = 618.50 × 618.50 - Step 4: Simplify right side
360x = 382,542.25 - Step 5: Solve for x
x = 382,542.25/360 - Step 6: Final answer
x = 1,062.62
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Why These Related Problems?
These problems maintain the same ratio (1.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.