Finding the Third Proportional to 73.62 and 157.99
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Solution
The third proportional to 73.62 and 157.99 is: 339.07
Step by Step Solution
- Step 1: Write the proportion equation
73.62 : 157.99 = 157.99 : x - Step 2: Convert to fraction form
73.62/157.99 = 157.99/x - Step 3: Cross multiply
73.62x = 157.99 × 157.99 - Step 4: Simplify right side
73.62x = 24,961.53 - Step 5: Solve for x
x = 24,961.53/73.62 - Step 6: Final answer
x = 339.07
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.