Finding the Third Proportional to 308,655 and 440,529.75
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Solution
The third proportional to 308,655 and 440,529.75 is: 628,748.80
Step by Step Solution
- Step 1: Write the proportion equation
308,655 : 440,529.75 = 440,529.75 : x - Step 2: Convert to fraction form
308,655/440,529.75 = 440,529.75/x - Step 3: Cross multiply
308,655x = 440,529.75 × 440,529.75 - Step 4: Simplify right side
308,655x = 194,066,460,635.06 - Step 5: Solve for x
x = 194,066,460,635.06/308,655 - Step 6: Final answer
x = 628,748.80
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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.