Finding the Third Proportional to 79,128 and 105,701
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Solution
The third proportional to 79,128 and 105,701 is: 141,197.82
Step by Step Solution
- Step 1: Write the proportion equation
79,128 : 105,701 = 105,701 : x - Step 2: Convert to fraction form
79,128/105,701 = 105,701/x - Step 3: Cross multiply
79,128x = 105,701 × 105,701 - Step 4: Simplify right side
79,128x = 11,172,701,401 - Step 5: Solve for x
x = 11,172,701,401/79,128 - Step 6: Final answer
x = 141,197.82
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These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.