Finding the Third Proportional to 323,164 and 690,312
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Solution
The third proportional to 323,164 and 690,312 is: 1,474,578.41
Step by Step Solution
- Step 1: Write the proportion equation
323,164 : 690,312 = 690,312 : x - Step 2: Convert to fraction form
323,164/690,312 = 690,312/x - Step 3: Cross multiply
323,164x = 690,312 × 690,312 - Step 4: Simplify right side
323,164x = 476,530,657,344 - Step 5: Solve for x
x = 476,530,657,344/323,164 - Step 6: Final answer
x = 1,474,578.41
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.