Finding the Third Proportional to 574 and 815.50
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Solution
The third proportional to 574 and 815.50 is: 1,158.61
Step by Step Solution
- Step 1: Write the proportion equation
574 : 815.50 = 815.50 : x - Step 2: Convert to fraction form
574/815.50 = 815.50/x - Step 3: Cross multiply
574x = 815.50 × 815.50 - Step 4: Simplify right side
574x = 665,040.25 - Step 5: Solve for x
x = 665,040.25/574 - Step 6: Final answer
x = 1,158.61
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These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.