Finding the Third Proportional to 824,418 and 1,311,430
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Solution
The third proportional to 824,418 and 1,311,430 is: 2,086,136.70
Step by Step Solution
- Step 1: Write the proportion equation
824,418 : 1,311,430 = 1,311,430 : x - Step 2: Convert to fraction form
824,418/1,311,430 = 1,311,430/x - Step 3: Cross multiply
824,418x = 1,311,430 × 1,311,430 - Step 4: Simplify right side
824,418x = 1,719,848,644,900 - Step 5: Solve for x
x = 1,719,848,644,900/824,418 - Step 6: Final answer
x = 2,086,136.70
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.