Finding the Third Proportional to 121,861.13 and 188,323.31
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Solution
The third proportional to 121,861.13 and 188,323.31 is: 291,033.50
Step by Step Solution
- Step 1: Write the proportion equation
121,861.13 : 188,323.31 = 188,323.31 : x - Step 2: Convert to fraction form
121,861.13/188,323.31 = 188,323.31/x - Step 3: Cross multiply
121,861.13x = 188,323.31 × 188,323.31 - Step 4: Simplify right side
121,861.13x = 35,465,670,030.97 - Step 5: Solve for x
x = 35,465,670,030.97/121,861.13 - Step 6: Final answer
x = 291,033.50
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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.