Finding the Third Proportional to 18,630.75 and 36,327.75
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Solution
The third proportional to 18,630.75 and 36,327.75 is: 70,834.80
Step by Step Solution
- Step 1: Write the proportion equation
18,630.75 : 36,327.75 = 36,327.75 : x - Step 2: Convert to fraction form
18,630.75/36,327.75 = 36,327.75/x - Step 3: Cross multiply
18,630.75x = 36,327.75 × 36,327.75 - Step 4: Simplify right side
18,630.75x = 1,319,705,420.06 - Step 5: Solve for x
x = 1,319,705,420.06/18,630.75 - Step 6: Final answer
x = 70,834.80
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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.