Finding the Third Proportional to 189,487.69 and 286,206.19
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Solution
The third proportional to 189,487.69 and 286,206.19 is: 432,291.84
Step by Step Solution
- Step 1: Write the proportion equation
189,487.69 : 286,206.19 = 286,206.19 : x - Step 2: Convert to fraction form
189,487.69/286,206.19 = 286,206.19/x - Step 3: Cross multiply
189,487.69x = 286,206.19 × 286,206.19 - Step 4: Simplify right side
189,487.69x = 81,913,981,763.29 - Step 5: Solve for x
x = 81,913,981,763.29/189,487.69 - Step 6: Final answer
x = 432,291.84
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.