Finding the Third Proportional to 76,431.09 and 167,628.23
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Solution
The third proportional to 76,431.09 and 167,628.23 is: 367,641.28
Step by Step Solution
- Step 1: Write the proportion equation
76,431.09 : 167,628.23 = 167,628.23 : x - Step 2: Convert to fraction form
76,431.09/167,628.23 = 167,628.23/x - Step 3: Cross multiply
76,431.09x = 167,628.23 × 167,628.23 - Step 4: Simplify right side
76,431.09x = 28,099,224,959.68 - Step 5: Solve for x
x = 28,099,224,959.68/76,431.09 - Step 6: Final answer
x = 367,641.28
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.