Finding the Third Proportional to 145,489.50 and 218,409.75
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Solution
The third proportional to 145,489.50 and 218,409.75 is: 327,878.09
Step by Step Solution
- Step 1: Write the proportion equation
145,489.50 : 218,409.75 = 218,409.75 : x - Step 2: Convert to fraction form
145,489.50/218,409.75 = 218,409.75/x - Step 3: Cross multiply
145,489.50x = 218,409.75 × 218,409.75 - Step 4: Simplify right side
145,489.50x = 47,702,818,895.06 - Step 5: Solve for x
x = 47,702,818,895.06/145,489.50 - Step 6: Final answer
x = 327,878.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.