Finding the Third Proportional to 121,173.19 and 258,840.56
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Solution
The third proportional to 121,173.19 and 258,840.56 is: 552,914.70
Step by Step Solution
- Step 1: Write the proportion equation
121,173.19 : 258,840.56 = 258,840.56 : x - Step 2: Convert to fraction form
121,173.19/258,840.56 = 258,840.56/x - Step 3: Cross multiply
121,173.19x = 258,840.56 × 258,840.56 - Step 4: Simplify right side
121,173.19x = 66,998,436,795.32 - Step 5: Solve for x
x = 66,998,436,795.32/121,173.19 - Step 6: Final answer
x = 552,914.70
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.