Finding the Third Proportional to 741.50 and 1,517
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Solution
The third proportional to 741.50 and 1,517 is: 3,103.56
Step by Step Solution
- Step 1: Write the proportion equation
741.50 : 1,517 = 1,517 : x - Step 2: Convert to fraction form
741.50/1,517 = 1,517/x - Step 3: Cross multiply
741.50x = 1,517 × 1,517 - Step 4: Simplify right side
741.50x = 2,301,289 - Step 5: Solve for x
x = 2,301,289/741.50 - Step 6: Final answer
x = 3,103.56
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.