Finding the Third Proportional to 660 and 758
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Solution
The third proportional to 660 and 758 is: 870.55
Step by Step Solution
- Step 1: Write the proportion equation
660 : 758 = 758 : x - Step 2: Convert to fraction form
660/758 = 758/x - Step 3: Cross multiply
660x = 758 × 758 - Step 4: Simplify right side
660x = 574,564 - Step 5: Solve for x
x = 574,564/660 - Step 6: Final answer
x = 870.55
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Why These Related Problems?
These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.