Finding the Third Proportional to 311,624 and 676,240
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Solution
The third proportional to 311,624 and 676,240 is: 1,467,475.35
Step by Step Solution
- Step 1: Write the proportion equation
311,624 : 676,240 = 676,240 : x - Step 2: Convert to fraction form
311,624/676,240 = 676,240/x - Step 3: Cross multiply
311,624x = 676,240 × 676,240 - Step 4: Simplify right side
311,624x = 457,300,537,600 - Step 5: Solve for x
x = 457,300,537,600/311,624 - Step 6: Final answer
x = 1,467,475.35
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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.