Finding the Third Proportional to 68,509.75 and 149,437.75
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Solution
The third proportional to 68,509.75 and 149,437.75 is: 325,962.96
Step by Step Solution
- Step 1: Write the proportion equation
68,509.75 : 149,437.75 = 149,437.75 : x - Step 2: Convert to fraction form
68,509.75/149,437.75 = 149,437.75/x - Step 3: Cross multiply
68,509.75x = 149,437.75 × 149,437.75 - Step 4: Simplify right side
68,509.75x = 22,331,641,125.06 - Step 5: Solve for x
x = 22,331,641,125.06/68,509.75 - Step 6: Final answer
x = 325,962.96
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.