Finding the Third Proportional to 128,530,472 and 283,134,736
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Solution
The third proportional to 128,530,472 and 283,134,736 is: 623,706,405.82
Step by Step Solution
- Step 1: Write the proportion equation
128,530,472 : 283,134,736 = 283,134,736 : x - Step 2: Convert to fraction form
128,530,472/283,134,736 = 283,134,736/x - Step 3: Cross multiply
128,530,472x = 283,134,736 × 283,134,736 - Step 4: Simplify right side
128,530,472x = 80,165,278,729,789,696 - Step 5: Solve for x
x = 80,165,278,729,789,696/128,530,472 - Step 6: Final answer
x = 623,706,405.82
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.