Finding the Third Proportional to 121,368.19 and 188,442.28
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Solution
The third proportional to 121,368.19 and 188,442.28 is: 292,584.85
Step by Step Solution
- Step 1: Write the proportion equation
121,368.19 : 188,442.28 = 188,442.28 : x - Step 2: Convert to fraction form
121,368.19/188,442.28 = 188,442.28/x - Step 3: Cross multiply
121,368.19x = 188,442.28 × 188,442.28 - Step 4: Simplify right side
121,368.19x = 35,510,493,362.70 - Step 5: Solve for x
x = 35,510,493,362.70/121,368.19 - Step 6: Final answer
x = 292,584.85
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.