Finding the Third Proportional to 203,728,790 and 441,909,870
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Solution
The third proportional to 203,728,790 and 441,909,870 is: 958,550,498.45
Step by Step Solution
- Step 1: Write the proportion equation
203,728,790 : 441,909,870 = 441,909,870 : x - Step 2: Convert to fraction form
203,728,790/441,909,870 = 441,909,870/x - Step 3: Cross multiply
203,728,790x = 441,909,870 × 441,909,870 - Step 4: Simplify right side
203,728,790x = 195,284,333,203,416,896 - Step 5: Solve for x
x = 195,284,333,203,416,896/203,728,790 - Step 6: Final answer
x = 958,550,498.45
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.