Finding the Third Proportional to 218,321,770 and 473,479,968
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Solution
The third proportional to 218,321,770 and 473,479,968 is: 1,026,848,033.05
Step by Step Solution
- Step 1: Write the proportion equation
218,321,770 : 473,479,968 = 473,479,968 : x - Step 2: Convert to fraction form
218,321,770/473,479,968 = 473,479,968/x - Step 3: Cross multiply
218,321,770x = 473,479,968 × 473,479,968 - Step 4: Simplify right side
218,321,770x = 224,183,280,097,281,024 - Step 5: Solve for x
x = 224,183,280,097,281,024/218,321,770 - Step 6: Final answer
x = 1,026,848,033.05
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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.