Finding the Third Proportional to 68,028.75 and 140,433.75
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Solution
The third proportional to 68,028.75 and 140,433.75 is: 289,901.52
Step by Step Solution
- Step 1: Write the proportion equation
68,028.75 : 140,433.75 = 140,433.75 : x - Step 2: Convert to fraction form
68,028.75/140,433.75 = 140,433.75/x - Step 3: Cross multiply
68,028.75x = 140,433.75 × 140,433.75 - Step 4: Simplify right side
68,028.75x = 19,721,638,139.06 - Step 5: Solve for x
x = 19,721,638,139.06/68,028.75 - Step 6: Final answer
x = 289,901.52
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Why These Related Problems?
These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.