Finding the Third Proportional to 79,520 and 107,616
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Solution
The third proportional to 79,520 and 107,616 is: 145,638.88
Step by Step Solution
- Step 1: Write the proportion equation
79,520 : 107,616 = 107,616 : x - Step 2: Convert to fraction form
79,520/107,616 = 107,616/x - Step 3: Cross multiply
79,520x = 107,616 × 107,616 - Step 4: Simplify right side
79,520x = 11,581,203,456 - Step 5: Solve for x
x = 11,581,203,456/79,520 - Step 6: Final answer
x = 145,638.88
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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.