Finding the Third Proportional to 68,340.38 and 147,912.75
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Solution
The third proportional to 68,340.38 and 147,912.75 is: 320,135.52
Step by Step Solution
- Step 1: Write the proportion equation
68,340.38 : 147,912.75 = 147,912.75 : x - Step 2: Convert to fraction form
68,340.38/147,912.75 = 147,912.75/x - Step 3: Cross multiply
68,340.38x = 147,912.75 × 147,912.75 - Step 4: Simplify right side
68,340.38x = 21,878,181,612.56 - Step 5: Solve for x
x = 21,878,181,612.56/68,340.38 - Step 6: Final answer
x = 320,135.52
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.