Finding the Third Proportional to 79,790 and 169,948
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Solution
The third proportional to 79,790 and 169,948 is: 361,979.23
Step by Step Solution
- Step 1: Write the proportion equation
79,790 : 169,948 = 169,948 : x - Step 2: Convert to fraction form
79,790/169,948 = 169,948/x - Step 3: Cross multiply
79,790x = 169,948 × 169,948 - Step 4: Simplify right side
79,790x = 28,882,322,704 - Step 5: Solve for x
x = 28,882,322,704/79,790 - Step 6: Final answer
x = 361,979.23
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These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.