Finding the Third Proportional to 2,918.25 and 6,321.75
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Solution
The third proportional to 2,918.25 and 6,321.75 is: 13,694.69
Step by Step Solution
- Step 1: Write the proportion equation
2,918.25 : 6,321.75 = 6,321.75 : x - Step 2: Convert to fraction form
2,918.25/6,321.75 = 6,321.75/x - Step 3: Cross multiply
2,918.25x = 6,321.75 × 6,321.75 - Step 4: Simplify right side
2,918.25x = 39,964,523.06 - Step 5: Solve for x
x = 39,964,523.06/2,918.25 - Step 6: Final answer
x = 13,694.69
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.