Finding the Third Proportional to 67,497.75 and 145,212.75
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Solution
The third proportional to 67,497.75 and 145,212.75 is: 312,406.60
Step by Step Solution
- Step 1: Write the proportion equation
67,497.75 : 145,212.75 = 145,212.75 : x - Step 2: Convert to fraction form
67,497.75/145,212.75 = 145,212.75/x - Step 3: Cross multiply
67,497.75x = 145,212.75 × 145,212.75 - Step 4: Simplify right side
67,497.75x = 21,086,742,762.56 - Step 5: Solve for x
x = 21,086,742,762.56/67,497.75 - Step 6: Final answer
x = 312,406.60
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.