Finding the Third Proportional to 79,398 and 122,830
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Solution
The third proportional to 79,398 and 122,830 is: 190,020.01
Step by Step Solution
- Step 1: Write the proportion equation
79,398 : 122,830 = 122,830 : x - Step 2: Convert to fraction form
79,398/122,830 = 122,830/x - Step 3: Cross multiply
79,398x = 122,830 × 122,830 - Step 4: Simplify right side
79,398x = 15,087,208,900 - Step 5: Solve for x
x = 15,087,208,900/79,398 - Step 6: Final answer
x = 190,020.01
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.