Finding the Third Proportional to 120,512.81 and 230,090.63
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Solution
The third proportional to 120,512.81 and 230,090.63 is: 439,303.46
Step by Step Solution
- Step 1: Write the proportion equation
120,512.81 : 230,090.63 = 230,090.63 : x - Step 2: Convert to fraction form
120,512.81/230,090.63 = 230,090.63/x - Step 3: Cross multiply
120,512.81x = 230,090.63 × 230,090.63 - Step 4: Simplify right side
120,512.81x = 52,941,695,712.89 - Step 5: Solve for x
x = 52,941,695,712.89/120,512.81 - Step 6: Final answer
x = 439,303.46
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Why These Related Problems?
These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.