Finding the Third Proportional to 128,859.19 and 196,023.38
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Solution
The third proportional to 128,859.19 and 196,023.38 is: 298,194.99
Step by Step Solution
- Step 1: Write the proportion equation
128,859.19 : 196,023.38 = 196,023.38 : x - Step 2: Convert to fraction form
128,859.19/196,023.38 = 196,023.38/x - Step 3: Cross multiply
128,859.19x = 196,023.38 × 196,023.38 - Step 4: Simplify right side
128,859.19x = 38,425,163,546.39 - Step 5: Solve for x
x = 38,425,163,546.39/128,859.19 - Step 6: Final answer
x = 298,194.99
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These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.