Finding the Third Proportional to 138,396.09 and 206,871.75
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Solution
The third proportional to 138,396.09 and 206,871.75 is: 309,227.81
Step by Step Solution
- Step 1: Write the proportion equation
138,396.09 : 206,871.75 = 206,871.75 : x - Step 2: Convert to fraction form
138,396.09/206,871.75 = 206,871.75/x - Step 3: Cross multiply
138,396.09x = 206,871.75 × 206,871.75 - Step 4: Simplify right side
138,396.09x = 42,795,920,948.06 - Step 5: Solve for x
x = 42,795,920,948.06/138,396.09 - Step 6: Final answer
x = 309,227.81
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.