Finding the Third Proportional to 89.50 and 107
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Solution
The third proportional to 89.50 and 107 is: 127.92
Step by Step Solution
- Step 1: Write the proportion equation
89.50 : 107 = 107 : x - Step 2: Convert to fraction form
89.50/107 = 107/x - Step 3: Cross multiply
89.50x = 107 × 107 - Step 4: Simplify right side
89.50x = 11,449 - Step 5: Solve for x
x = 11,449/89.50 - Step 6: Final answer
x = 127.92
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These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.