Finding the Third Proportional to 168,207.75 and 257,235.75
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Solution
The third proportional to 168,207.75 and 257,235.75 is: 393,383.96
Step by Step Solution
- Step 1: Write the proportion equation
168,207.75 : 257,235.75 = 257,235.75 : x - Step 2: Convert to fraction form
168,207.75/257,235.75 = 257,235.75/x - Step 3: Cross multiply
168,207.75x = 257,235.75 × 257,235.75 - Step 4: Simplify right side
168,207.75x = 66,170,231,078.06 - Step 5: Solve for x
x = 66,170,231,078.06/168,207.75 - Step 6: Final answer
x = 393,383.96
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.