Finding the Third Proportional to 102,991.50 and 159,387.75
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Solution
The third proportional to 102,991.50 and 159,387.75 is: 246,665.55
Step by Step Solution
- Step 1: Write the proportion equation
102,991.50 : 159,387.75 = 159,387.75 : x - Step 2: Convert to fraction form
102,991.50/159,387.75 = 159,387.75/x - Step 3: Cross multiply
102,991.50x = 159,387.75 × 159,387.75 - Step 4: Simplify right side
102,991.50x = 25,404,454,850.06 - Step 5: Solve for x
x = 25,404,454,850.06/102,991.50 - Step 6: Final answer
x = 246,665.55
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.