Finding the Third Proportional to 331,237.13 and 485,434.13
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Solution
The third proportional to 331,237.13 and 485,434.13 is: 711,412.68
Step by Step Solution
- Step 1: Write the proportion equation
331,237.13 : 485,434.13 = 485,434.13 : x - Step 2: Convert to fraction form
331,237.13/485,434.13 = 485,434.13/x - Step 3: Cross multiply
331,237.13x = 485,434.13 × 485,434.13 - Step 4: Simplify right side
331,237.13x = 235,646,289,714.52 - Step 5: Solve for x
x = 235,646,289,714.52/331,237.13 - Step 6: Final answer
x = 711,412.68
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.