Finding the Third Proportional to 121,361.63 and 188,432.44
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Solution
The third proportional to 121,361.63 and 188,432.44 is: 292,570.11
Step by Step Solution
- Step 1: Write the proportion equation
121,361.63 : 188,432.44 = 188,432.44 : x - Step 2: Convert to fraction form
121,361.63/188,432.44 = 188,432.44/x - Step 3: Cross multiply
121,361.63x = 188,432.44 × 188,432.44 - Step 4: Simplify right side
121,361.63x = 35,506,783,502.19 - Step 5: Solve for x
x = 35,506,783,502.19/121,361.63 - Step 6: Final answer
x = 292,570.11
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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.