Finding the Third Proportional to 311,576 and 675,640
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Solution
The third proportional to 311,576 and 675,640 is: 1,465,098.11
Step by Step Solution
- Step 1: Write the proportion equation
311,576 : 675,640 = 675,640 : x - Step 2: Convert to fraction form
311,576/675,640 = 675,640/x - Step 3: Cross multiply
311,576x = 675,640 × 675,640 - Step 4: Simplify right side
311,576x = 456,489,409,600 - Step 5: Solve for x
x = 456,489,409,600/311,576 - Step 6: Final answer
x = 1,465,098.11
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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.