Finding the Third Proportional to 197,961.75 and 431,646.75
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Solution
The third proportional to 197,961.75 and 431,646.75 is: 941,186.45
Step by Step Solution
- Step 1: Write the proportion equation
197,961.75 : 431,646.75 = 431,646.75 : x - Step 2: Convert to fraction form
197,961.75/431,646.75 = 431,646.75/x - Step 3: Cross multiply
197,961.75x = 431,646.75 × 431,646.75 - Step 4: Simplify right side
197,961.75x = 186,318,916,785.56 - Step 5: Solve for x
x = 186,318,916,785.56/197,961.75 - Step 6: Final answer
x = 941,186.45
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.