Finding the Third Proportional to 19,620 and 38,250
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Solution
The third proportional to 19,620 and 38,250 is: 74,569.95
Step by Step Solution
- Step 1: Write the proportion equation
19,620 : 38,250 = 38,250 : x - Step 2: Convert to fraction form
19,620/38,250 = 38,250/x - Step 3: Cross multiply
19,620x = 38,250 × 38,250 - Step 4: Simplify right side
19,620x = 1,463,062,500 - Step 5: Solve for x
x = 1,463,062,500/19,620 - Step 6: Final answer
x = 74,569.95
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Why These Related Problems?
These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.