Finding the Third Proportional to 86,742.88 and 129,394.75
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Solution
The third proportional to 86,742.88 and 129,394.75 is: 193,018.75
Step by Step Solution
- Step 1: Write the proportion equation
86,742.88 : 129,394.75 = 129,394.75 : x - Step 2: Convert to fraction form
86,742.88/129,394.75 = 129,394.75/x - Step 3: Cross multiply
86,742.88x = 129,394.75 × 129,394.75 - Step 4: Simplify right side
86,742.88x = 16,743,001,327.56 - Step 5: Solve for x
x = 16,743,001,327.56/86,742.88 - Step 6: Final answer
x = 193,018.75
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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.