Finding the Third Proportional to 75,380 and 163,720
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Solution
The third proportional to 75,380 and 163,720 is: 355,588.20
Step by Step Solution
- Step 1: Write the proportion equation
75,380 : 163,720 = 163,720 : x - Step 2: Convert to fraction form
75,380/163,720 = 163,720/x - Step 3: Cross multiply
75,380x = 163,720 × 163,720 - Step 4: Simplify right side
75,380x = 26,804,238,400 - Step 5: Solve for x
x = 26,804,238,400/75,380 - Step 6: Final answer
x = 355,588.20
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.