Finding the Third Proportional to 239,199.75 and 385,410.75
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Solution
The third proportional to 239,199.75 and 385,410.75 is: 620,993.32
Step by Step Solution
- Step 1: Write the proportion equation
239,199.75 : 385,410.75 = 385,410.75 : x - Step 2: Convert to fraction form
239,199.75/385,410.75 = 385,410.75/x - Step 3: Cross multiply
239,199.75x = 385,410.75 × 385,410.75 - Step 4: Simplify right side
239,199.75x = 148,541,446,215.56 - Step 5: Solve for x
x = 148,541,446,215.56/239,199.75 - Step 6: Final answer
x = 620,993.32
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These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.