Finding the Third Proportional to 122,640.75 and 164,814.75
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Solution
The third proportional to 122,640.75 and 164,814.75 is: 221,491.65
Step by Step Solution
- Step 1: Write the proportion equation
122,640.75 : 164,814.75 = 164,814.75 : x - Step 2: Convert to fraction form
122,640.75/164,814.75 = 164,814.75/x - Step 3: Cross multiply
122,640.75x = 164,814.75 × 164,814.75 - Step 4: Simplify right side
122,640.75x = 27,163,901,817.56 - Step 5: Solve for x
x = 27,163,901,817.56/122,640.75 - Step 6: Final answer
x = 221,491.65
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These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.