Finding the Third Proportional to 348,324.75 and 490,514.81
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Solution
The third proportional to 348,324.75 and 490,514.81 is: 690,748.45
Step by Step Solution
- Step 1: Write the proportion equation
348,324.75 : 490,514.81 = 490,514.81 : x - Step 2: Convert to fraction form
348,324.75/490,514.81 = 490,514.81/x - Step 3: Cross multiply
348,324.75x = 490,514.81 × 490,514.81 - Step 4: Simplify right side
348,324.75x = 240,604,781,281.91 - Step 5: Solve for x
x = 240,604,781,281.91/348,324.75 - Step 6: Final answer
x = 690,748.45
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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.