Finding the Third Proportional to 145.50 and 170
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Solution
The third proportional to 145.50 and 170 is: 198.63
Step by Step Solution
- Step 1: Write the proportion equation
145.50 : 170 = 170 : x - Step 2: Convert to fraction form
145.50/170 = 170/x - Step 3: Cross multiply
145.50x = 170 × 170 - Step 4: Simplify right side
145.50x = 28,900 - Step 5: Solve for x
x = 28,900/145.50 - Step 6: Final answer
x = 198.63
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These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.