Finding the Third Proportional to 122,928.75 and 189,852.38
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Solution
The third proportional to 122,928.75 and 189,852.38 is: 293,209.88
Step by Step Solution
- Step 1: Write the proportion equation
122,928.75 : 189,852.38 = 189,852.38 : x - Step 2: Convert to fraction form
122,928.75/189,852.38 = 189,852.38/x - Step 3: Cross multiply
122,928.75x = 189,852.38 × 189,852.38 - Step 4: Simplify right side
122,928.75x = 36,043,924,293.14 - Step 5: Solve for x
x = 36,043,924,293.14/122,928.75 - Step 6: Final answer
x = 293,209.88
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.