Finding the Third Proportional to 3,555.75 and 4,203.75
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Solution
The third proportional to 3,555.75 and 4,203.75 is: 4,969.84
Step by Step Solution
- Step 1: Write the proportion equation
3,555.75 : 4,203.75 = 4,203.75 : x - Step 2: Convert to fraction form
3,555.75/4,203.75 = 4,203.75/x - Step 3: Cross multiply
3,555.75x = 4,203.75 × 4,203.75 - Step 4: Simplify right side
3,555.75x = 17,671,514.06 - Step 5: Solve for x
x = 17,671,514.06/3,555.75 - Step 6: Final answer
x = 4,969.84
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Why These Related Problems?
These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.