Finding the Third Proportional to 121,153.50 and 248,352.75
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Solution
The third proportional to 121,153.50 and 248,352.75 is: 509,098.69
Step by Step Solution
- Step 1: Write the proportion equation
121,153.50 : 248,352.75 = 248,352.75 : x - Step 2: Convert to fraction form
121,153.50/248,352.75 = 248,352.75/x - Step 3: Cross multiply
121,153.50x = 248,352.75 × 248,352.75 - Step 4: Simplify right side
121,153.50x = 61,679,088,432.56 - Step 5: Solve for x
x = 61,679,088,432.56/121,153.50 - Step 6: Final answer
x = 509,098.69
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.