Finding the Third Proportional to 380,358 and 531,736
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Solution
The third proportional to 380,358 and 531,736 is: 743,360.66
Step by Step Solution
- Step 1: Write the proportion equation
380,358 : 531,736 = 531,736 : x - Step 2: Convert to fraction form
380,358/531,736 = 531,736/x - Step 3: Cross multiply
380,358x = 531,736 × 531,736 - Step 4: Simplify right side
380,358x = 282,743,173,696 - Step 5: Solve for x
x = 282,743,173,696/380,358 - Step 6: Final answer
x = 743,360.66
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.