Finding the Third Proportional to 758 and 1,160
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Solution
The third proportional to 758 and 1,160 is: 1,775.20
Step by Step Solution
- Step 1: Write the proportion equation
758 : 1,160 = 1,160 : x - Step 2: Convert to fraction form
758/1,160 = 1,160/x - Step 3: Cross multiply
758x = 1,160 × 1,160 - Step 4: Simplify right side
758x = 1,345,600 - Step 5: Solve for x
x = 1,345,600/758 - Step 6: Final answer
x = 1,775.20
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.