Finding the Third Proportional to 122,177.11 and 189,177.40
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Solution
The third proportional to 122,177.11 and 189,177.40 is: 292,919.75
Step by Step Solution
- Step 1: Write the proportion equation
122,177.11 : 189,177.40 = 189,177.40 : x - Step 2: Convert to fraction form
122,177.11/189,177.40 = 189,177.40/x - Step 3: Cross multiply
122,177.11x = 189,177.40 × 189,177.40 - Step 4: Simplify right side
122,177.11x = 35,788,088,079.58 - Step 5: Solve for x
x = 35,788,088,079.58/122,177.11 - Step 6: Final answer
x = 292,919.75
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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.