Finding the Third Proportional to 190,361 and 409,430
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Solution
The third proportional to 190,361 and 409,430 is: 880,605.40
Step by Step Solution
- Step 1: Write the proportion equation
190,361 : 409,430 = 409,430 : x - Step 2: Convert to fraction form
190,361/409,430 = 409,430/x - Step 3: Cross multiply
190,361x = 409,430 × 409,430 - Step 4: Simplify right side
190,361x = 167,632,924,900 - Step 5: Solve for x
x = 167,632,924,900/190,361 - Step 6: Final answer
x = 880,605.40
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.