Finding the Third Proportional to 124 and 160
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Solution
The third proportional to 124 and 160 is: 206.45
Step by Step Solution
- Step 1: Write the proportion equation
124 : 160 = 160 : x - Step 2: Convert to fraction form
124/160 = 160/x - Step 3: Cross multiply
124x = 160 × 160 - Step 4: Simplify right side
124x = 25,600 - Step 5: Solve for x
x = 25,600/124 - Step 6: Final answer
x = 206.45
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Why These Related Problems?
These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.