Finding the Third Proportional to 71,808 and 112,940
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Solution
The third proportional to 71,808 and 112,940 is: 177,632.63
Step by Step Solution
- Step 1: Write the proportion equation
71,808 : 112,940 = 112,940 : x - Step 2: Convert to fraction form
71,808/112,940 = 112,940/x - Step 3: Cross multiply
71,808x = 112,940 × 112,940 - Step 4: Simplify right side
71,808x = 12,755,443,600 - Step 5: Solve for x
x = 12,755,443,600/71,808 - Step 6: Final answer
x = 177,632.63
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.