Finding the Third Proportional to 1,557 and 3,393
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Solution
The third proportional to 1,557 and 3,393 is: 7,393.99
Step by Step Solution
- Step 1: Write the proportion equation
1,557 : 3,393 = 3,393 : x - Step 2: Convert to fraction form
1,557/3,393 = 3,393/x - Step 3: Cross multiply
1,557x = 3,393 × 3,393 - Step 4: Simplify right side
1,557x = 11,512,449 - Step 5: Solve for x
x = 11,512,449/1,557 - Step 6: Final answer
x = 7,393.99
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.