Finding the Third Proportional to 138,849.19 and 209,987.44
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Solution
The third proportional to 138,849.19 and 209,987.44 is: 317,572.79
Step by Step Solution
- Step 1: Write the proportion equation
138,849.19 : 209,987.44 = 209,987.44 : x - Step 2: Convert to fraction form
138,849.19/209,987.44 = 209,987.44/x - Step 3: Cross multiply
138,849.19x = 209,987.44 × 209,987.44 - Step 4: Simplify right side
138,849.19x = 44,094,723,907.82 - Step 5: Solve for x
x = 44,094,723,907.82/138,849.19 - Step 6: Final answer
x = 317,572.79
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.