Finding the Third Proportional to 348,365.81 and 490,579.03
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Solution
The third proportional to 348,365.81 and 490,579.03 is: 690,847.89
Step by Step Solution
- Step 1: Write the proportion equation
348,365.81 : 490,579.03 = 490,579.03 : x - Step 2: Convert to fraction form
348,365.81/490,579.03 = 490,579.03/x - Step 3: Cross multiply
348,365.81x = 490,579.03 × 490,579.03 - Step 4: Simplify right side
348,365.81x = 240,667,785,902.19 - Step 5: Solve for x
x = 240,667,785,902.19/348,365.81 - Step 6: Final answer
x = 690,847.89
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.