Finding the Third Proportional to 30,694 and 67,841
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Solution
The third proportional to 30,694 and 67,841 is: 149,944.66
Step by Step Solution
- Step 1: Write the proportion equation
30,694 : 67,841 = 67,841 : x - Step 2: Convert to fraction form
30,694/67,841 = 67,841/x - Step 3: Cross multiply
30,694x = 67,841 × 67,841 - Step 4: Simplify right side
30,694x = 4,602,401,281 - Step 5: Solve for x
x = 4,602,401,281/30,694 - Step 6: Final answer
x = 149,944.66
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Why These Related Problems?
These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.