Finding the Third Proportional to 138,711.94 and 208,068.19
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Solution
The third proportional to 138,711.94 and 208,068.19 is: 312,102.70
Step by Step Solution
- Step 1: Write the proportion equation
138,711.94 : 208,068.19 = 208,068.19 : x - Step 2: Convert to fraction form
138,711.94/208,068.19 = 208,068.19/x - Step 3: Cross multiply
138,711.94x = 208,068.19 × 208,068.19 - Step 4: Simplify right side
138,711.94x = 43,292,370,649.54 - Step 5: Solve for x
x = 43,292,370,649.54/138,711.94 - Step 6: Final answer
x = 312,102.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.