Finding the Third Proportional to 143,553,210 and 222,711,211
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Solution
The third proportional to 143,553,210 and 222,711,211 is: 345,518,456.22
Step by Step Solution
- Step 1: Write the proportion equation
143,553,210 : 222,711,211 = 222,711,211 : x - Step 2: Convert to fraction form
143,553,210/222,711,211 = 222,711,211/x - Step 3: Cross multiply
143,553,210x = 222,711,211 × 222,711,211 - Step 4: Simplify right side
143,553,210x = 49,600,283,505,086,520 - Step 5: Solve for x
x = 49,600,283,505,086,520/143,553,210 - Step 6: Final answer
x = 345,518,456.22
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.