Finding the Third Proportional to 137,138.06 and 218,991.09
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Solution
The third proportional to 137,138.06 and 218,991.09 is: 349,699.41
Step by Step Solution
- Step 1: Write the proportion equation
137,138.06 : 218,991.09 = 218,991.09 : x - Step 2: Convert to fraction form
137,138.06/218,991.09 = 218,991.09/x - Step 3: Cross multiply
137,138.06x = 218,991.09 × 218,991.09 - Step 4: Simplify right side
137,138.06x = 47,957,099,141.82 - Step 5: Solve for x
x = 47,957,099,141.82/137,138.06 - Step 6: Final answer
x = 349,699.41
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These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.