Finding the Third Proportional to 121,515.19 and 189,950.06
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Solution
The third proportional to 121,515.19 and 189,950.06 is: 296,926.06
Step by Step Solution
- Step 1: Write the proportion equation
121,515.19 : 189,950.06 = 189,950.06 : x - Step 2: Convert to fraction form
121,515.19/189,950.06 = 189,950.06/x - Step 3: Cross multiply
121,515.19x = 189,950.06 × 189,950.06 - Step 4: Simplify right side
121,515.19x = 36,081,026,243.75 - Step 5: Solve for x
x = 36,081,026,243.75/121,515.19 - Step 6: Final answer
x = 296,926.06
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.