Finding the Third Proportional to 87,490.13 and 137,268.84
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Solution
The third proportional to 87,490.13 and 137,268.84 is: 215,369.85
Step by Step Solution
- Step 1: Write the proportion equation
87,490.13 : 137,268.84 = 137,268.84 : x - Step 2: Convert to fraction form
87,490.13/137,268.84 = 137,268.84/x - Step 3: Cross multiply
87,490.13x = 137,268.84 × 137,268.84 - Step 4: Simplify right side
87,490.13x = 18,842,735,464.46 - Step 5: Solve for x
x = 18,842,735,464.46/87,490.13 - Step 6: Final answer
x = 215,369.85
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.