Finding the Third Proportional to 68,202.75 and 149,941.50
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Solution
The third proportional to 68,202.75 and 149,941.50 is: 329,641.45
Step by Step Solution
- Step 1: Write the proportion equation
68,202.75 : 149,941.50 = 149,941.50 : x - Step 2: Convert to fraction form
68,202.75/149,941.50 = 149,941.50/x - Step 3: Cross multiply
68,202.75x = 149,941.50 × 149,941.50 - Step 4: Simplify right side
68,202.75x = 22,482,453,422.25 - Step 5: Solve for x
x = 22,482,453,422.25/68,202.75 - Step 6: Final answer
x = 329,641.45
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.