Finding the Third Proportional to 178,628,865 and 386,940,318
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Solution
The third proportional to 178,628,865 and 386,940,318 is: 838,178,139.32
Step by Step Solution
- Step 1: Write the proportion equation
178,628,865 : 386,940,318 = 386,940,318 : x - Step 2: Convert to fraction form
178,628,865/386,940,318 = 386,940,318/x - Step 3: Cross multiply
178,628,865x = 386,940,318 × 386,940,318 - Step 4: Simplify right side
178,628,865x = 149,722,809,693,941,120 - Step 5: Solve for x
x = 149,722,809,693,941,120/178,628,865 - Step 6: Final answer
x = 838,178,139.32
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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.