Finding the Third Proportional to 4,218.75 and 8,609.63
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Solution
The third proportional to 4,218.75 and 8,609.63 is: 17,570.52
Step by Step Solution
- Step 1: Write the proportion equation
4,218.75 : 8,609.63 = 8,609.63 : x - Step 2: Convert to fraction form
4,218.75/8,609.63 = 8,609.63/x - Step 3: Cross multiply
4,218.75x = 8,609.63 × 8,609.63 - Step 4: Simplify right side
4,218.75x = 74,125,642.64 - Step 5: Solve for x
x = 74,125,642.64/4,218.75 - Step 6: Final answer
x = 17,570.52
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Why These Related Problems?
These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.