Finding the Third Proportional to 79,349.63 and 122,942.81
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Solution
The third proportional to 79,349.63 and 122,942.81 is: 190,485.28
Step by Step Solution
- Step 1: Write the proportion equation
79,349.63 : 122,942.81 = 122,942.81 : x - Step 2: Convert to fraction form
79,349.63/122,942.81 = 122,942.81/x - Step 3: Cross multiply
79,349.63x = 122,942.81 × 122,942.81 - Step 4: Simplify right side
79,349.63x = 15,114,935,145.41 - Step 5: Solve for x
x = 15,114,935,145.41/79,349.63 - Step 6: Final answer
x = 190,485.28
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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.