Finding the Third Proportional to 121,511.25 and 187,341.75
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Solution
The third proportional to 121,511.25 and 187,341.75 is: 288,836.89
Step by Step Solution
- Step 1: Write the proportion equation
121,511.25 : 187,341.75 = 187,341.75 : x - Step 2: Convert to fraction form
121,511.25/187,341.75 = 187,341.75/x - Step 3: Cross multiply
121,511.25x = 187,341.75 × 187,341.75 - Step 4: Simplify right side
121,511.25x = 35,096,931,293.06 - Step 5: Solve for x
x = 35,096,931,293.06/121,511.25 - Step 6: Final answer
x = 288,836.89
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.