Finding the Third Proportional to 155 and 295
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Solution
The third proportional to 155 and 295 is: 561.45
Step by Step Solution
- Step 1: Write the proportion equation
155 : 295 = 295 : x - Step 2: Convert to fraction form
155/295 = 295/x - Step 3: Cross multiply
155x = 295 × 295 - Step 4: Simplify right side
155x = 87,025 - Step 5: Solve for x
x = 87,025/155 - Step 6: Final answer
x = 561.45
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These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.