Finding the Third Proportional to 121,024.13 and 186,639.19
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Solution
The third proportional to 121,024.13 and 186,639.19 is: 287,828.45
Step by Step Solution
- Step 1: Write the proportion equation
121,024.13 : 186,639.19 = 186,639.19 : x - Step 2: Convert to fraction form
121,024.13/186,639.19 = 186,639.19/x - Step 3: Cross multiply
121,024.13x = 186,639.19 × 186,639.19 - Step 4: Simplify right side
121,024.13x = 34,834,186,310.66 - Step 5: Solve for x
x = 34,834,186,310.66/121,024.13 - Step 6: Final answer
x = 287,828.45
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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.