Finding the Third Proportional to 215,972.44 and 290,742.75
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Solution
The third proportional to 215,972.44 and 290,742.75 is: 391,398.77
Step by Step Solution
- Step 1: Write the proportion equation
215,972.44 : 290,742.75 = 290,742.75 : x - Step 2: Convert to fraction form
215,972.44/290,742.75 = 290,742.75/x - Step 3: Cross multiply
215,972.44x = 290,742.75 × 290,742.75 - Step 4: Simplify right side
215,972.44x = 84,531,346,677.56 - Step 5: Solve for x
x = 84,531,346,677.56/215,972.44 - Step 6: Final answer
x = 391,398.77
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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.