Finding the Third Proportional to 74,147 and 114,908
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Solution
The third proportional to 74,147 and 114,908 is: 178,076.64
Step by Step Solution
- Step 1: Write the proportion equation
74,147 : 114,908 = 114,908 : x - Step 2: Convert to fraction form
74,147/114,908 = 114,908/x - Step 3: Cross multiply
74,147x = 114,908 × 114,908 - Step 4: Simplify right side
74,147x = 13,203,848,464 - Step 5: Solve for x
x = 13,203,848,464/74,147 - Step 6: Final answer
x = 178,076.64
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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.