Finding the Third Proportional to 38,642,434 and 83,338,144
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Solution
The third proportional to 38,642,434 and 83,338,144 is: 179,731,076.09
Step by Step Solution
- Step 1: Write the proportion equation
38,642,434 : 83,338,144 = 83,338,144 : x - Step 2: Convert to fraction form
38,642,434/83,338,144 = 83,338,144/x - Step 3: Cross multiply
38,642,434x = 83,338,144 × 83,338,144 - Step 4: Simplify right side
38,642,434x = 6,945,246,245,364,736 - Step 5: Solve for x
x = 6,945,246,245,364,736/38,642,434 - Step 6: Final answer
x = 179,731,076.09
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.