Finding the Third Proportional to 149,649,816 and 321,577,856
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Solution
The third proportional to 149,649,816 and 321,577,856 is: 691,028,697.75
Step by Step Solution
- Step 1: Write the proportion equation
149,649,816 : 321,577,856 = 321,577,856 : x - Step 2: Convert to fraction form
149,649,816/321,577,856 = 321,577,856/x - Step 3: Cross multiply
149,649,816x = 321,577,856 × 321,577,856 - Step 4: Simplify right side
149,649,816x = 103,412,317,469,556,736 - Step 5: Solve for x
x = 103,412,317,469,556,736/149,649,816 - Step 6: Final answer
x = 691,028,697.75
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.