Finding the Third Proportional to 121,368.38 and 188,439.75
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Solution
The third proportional to 121,368.38 and 188,439.75 is: 292,576.54
Step by Step Solution
- Step 1: Write the proportion equation
121,368.38 : 188,439.75 = 188,439.75 : x - Step 2: Convert to fraction form
121,368.38/188,439.75 = 188,439.75/x - Step 3: Cross multiply
121,368.38x = 188,439.75 × 188,439.75 - Step 4: Simplify right side
121,368.38x = 35,509,539,380.06 - Step 5: Solve for x
x = 35,509,539,380.06/121,368.38 - Step 6: Final answer
x = 292,576.54
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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.