Finding the Third Proportional to 54 and 87.56
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Solution
The third proportional to 54 and 87.56 is: 141.99
Step by Step Solution
- Step 1: Write the proportion equation
54 : 87.56 = 87.56 : x - Step 2: Convert to fraction form
54/87.56 = 87.56/x - Step 3: Cross multiply
54x = 87.56 × 87.56 - Step 4: Simplify right side
54x = 7,667.19 - Step 5: Solve for x
x = 7,667.19/54 - Step 6: Final answer
x = 141.99
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These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.