Finding the Third Proportional to 310.50 and 518.25
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Solution
The third proportional to 310.50 and 518.25 is: 865.00
Step by Step Solution
- Step 1: Write the proportion equation
310.50 : 518.25 = 518.25 : x - Step 2: Convert to fraction form
310.50/518.25 = 518.25/x - Step 3: Cross multiply
310.50x = 518.25 × 518.25 - Step 4: Simplify right side
310.50x = 268,583.06 - Step 5: Solve for x
x = 268,583.06/310.50 - Step 6: Final answer
x = 865.00
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Why These Related Problems?
These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.