Finding the Third Proportional to 143,278,425 and 306,990,333
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Solution
The third proportional to 143,278,425 and 306,990,333 is: 657,761,728.99
Step by Step Solution
- Step 1: Write the proportion equation
143,278,425 : 306,990,333 = 306,990,333 : x - Step 2: Convert to fraction form
143,278,425/306,990,333 = 306,990,333/x - Step 3: Cross multiply
143,278,425x = 306,990,333 × 306,990,333 - Step 4: Simplify right side
143,278,425x = 94,243,064,555,450,896 - Step 5: Solve for x
x = 94,243,064,555,450,896/143,278,425 - Step 6: Final answer
x = 657,761,728.99
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.