Finding the Third Proportional to 128,565.19 and 196,110.94
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Solution
The third proportional to 128,565.19 and 196,110.94 is: 299,143.96
Step by Step Solution
- Step 1: Write the proportion equation
128,565.19 : 196,110.94 = 196,110.94 : x - Step 2: Convert to fraction form
128,565.19/196,110.94 = 196,110.94/x - Step 3: Cross multiply
128,565.19x = 196,110.94 × 196,110.94 - Step 4: Simplify right side
128,565.19x = 38,459,499,807.13 - Step 5: Solve for x
x = 38,459,499,807.13/128,565.19 - Step 6: Final answer
x = 299,143.96
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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.