Finding the Third Proportional to 620 and 994.50
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Solution
The third proportional to 620 and 994.50 is: 1,595.21
Step by Step Solution
- Step 1: Write the proportion equation
620 : 994.50 = 994.50 : x - Step 2: Convert to fraction form
620/994.50 = 994.50/x - Step 3: Cross multiply
620x = 994.50 × 994.50 - Step 4: Simplify right side
620x = 989,030.25 - Step 5: Solve for x
x = 989,030.25/620 - Step 6: Final answer
x = 1,595.21
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These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.