Finding the Third Proportional to 178,628,872 and 386,940,331
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Solution
The third proportional to 178,628,872 and 386,940,331 is: 838,178,162.79
Step by Step Solution
- Step 1: Write the proportion equation
178,628,872 : 386,940,331 = 386,940,331 : x - Step 2: Convert to fraction form
178,628,872/386,940,331 = 386,940,331/x - Step 3: Cross multiply
178,628,872x = 386,940,331 × 386,940,331 - Step 4: Simplify right side
178,628,872x = 149,722,819,754,389,568 - Step 5: Solve for x
x = 149,722,819,754,389,568/178,628,872 - Step 6: Final answer
x = 838,178,162.79
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.