Finding the Third Proportional to 3,115.97 and 6,818.63
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Solution
The third proportional to 3,115.97 and 6,818.63 is: 14,921.09
Step by Step Solution
- Step 1: Write the proportion equation
3,115.97 : 6,818.63 = 6,818.63 : x - Step 2: Convert to fraction form
3,115.97/6,818.63 = 6,818.63/x - Step 3: Cross multiply
3,115.97x = 6,818.63 × 6,818.63 - Step 4: Simplify right side
3,115.97x = 46,493,646.89 - Step 5: Solve for x
x = 46,493,646.89/3,115.97 - Step 6: Final answer
x = 14,921.09
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.