Finding the Third Proportional to 30,187.50 and 66,207
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Solution
The third proportional to 30,187.50 and 66,207 is: 145,204.70
Step by Step Solution
- Step 1: Write the proportion equation
30,187.50 : 66,207 = 66,207 : x - Step 2: Convert to fraction form
30,187.50/66,207 = 66,207/x - Step 3: Cross multiply
30,187.50x = 66,207 × 66,207 - Step 4: Simplify right side
30,187.50x = 4,383,366,849 - Step 5: Solve for x
x = 4,383,366,849/30,187.50 - Step 6: Final answer
x = 145,204.70
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.