Finding the Third Proportional to 120,743,745 and 188,290,071
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Solution
The third proportional to 120,743,745 and 188,290,071 is: 293,623,084.47
Step by Step Solution
- Step 1: Write the proportion equation
120,743,745 : 188,290,071 = 188,290,071 : x - Step 2: Convert to fraction form
120,743,745/188,290,071 = 188,290,071/x - Step 3: Cross multiply
120,743,745x = 188,290,071 × 188,290,071 - Step 4: Simplify right side
120,743,745x = 35,453,150,837,185,040 - Step 5: Solve for x
x = 35,453,150,837,185,040/120,743,745 - Step 6: Final answer
x = 293,623,084.47
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.