Finding the Third Proportional to 53,040 and 117,120
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Solution
The third proportional to 53,040 and 117,120 is: 258,617.92
Step by Step Solution
- Step 1: Write the proportion equation
53,040 : 117,120 = 117,120 : x - Step 2: Convert to fraction form
53,040/117,120 = 117,120/x - Step 3: Cross multiply
53,040x = 117,120 × 117,120 - Step 4: Simplify right side
53,040x = 13,717,094,400 - Step 5: Solve for x
x = 13,717,094,400/53,040 - Step 6: Final answer
x = 258,617.92
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Why These Related Problems?
These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.