Finding the Third Proportional to 2,643.19 and 5,622.19
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Solution
The third proportional to 2,643.19 and 5,622.19 is: 11,958.66
Step by Step Solution
- Step 1: Write the proportion equation
2,643.19 : 5,622.19 = 5,622.19 : x - Step 2: Convert to fraction form
2,643.19/5,622.19 = 5,622.19/x - Step 3: Cross multiply
2,643.19x = 5,622.19 × 5,622.19 - Step 4: Simplify right side
2,643.19x = 31,608,992.29 - Step 5: Solve for x
x = 31,608,992.29/2,643.19 - Step 6: Final answer
x = 11,958.66
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.