Finding the Third Proportional to 74,676.94 and 161,238.09
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Solution
The third proportional to 74,676.94 and 161,238.09 is: 348,135.90
Step by Step Solution
- Step 1: Write the proportion equation
74,676.94 : 161,238.09 = 161,238.09 : x - Step 2: Convert to fraction form
74,676.94/161,238.09 = 161,238.09/x - Step 3: Cross multiply
74,676.94x = 161,238.09 × 161,238.09 - Step 4: Simplify right side
74,676.94x = 25,997,722,876.13 - Step 5: Solve for x
x = 25,997,722,876.13/74,676.94 - Step 6: Final answer
x = 348,135.90
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.