Finding the Third Proportional to 631.50 and 960
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Solution
The third proportional to 631.50 and 960 is: 1,459.38
Step by Step Solution
- Step 1: Write the proportion equation
631.50 : 960 = 960 : x - Step 2: Convert to fraction form
631.50/960 = 960/x - Step 3: Cross multiply
631.50x = 960 × 960 - Step 4: Simplify right side
631.50x = 921,600 - Step 5: Solve for x
x = 921,600/631.50 - Step 6: Final answer
x = 1,459.38
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Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.