Finding the Third Proportional to 128,265.75 and 296,907.75
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Solution
The third proportional to 128,265.75 and 296,907.75 is: 687,277.87
Step by Step Solution
- Step 1: Write the proportion equation
128,265.75 : 296,907.75 = 296,907.75 : x - Step 2: Convert to fraction form
128,265.75/296,907.75 = 296,907.75/x - Step 3: Cross multiply
128,265.75x = 296,907.75 × 296,907.75 - Step 4: Simplify right side
128,265.75x = 88,154,212,010.06 - Step 5: Solve for x
x = 88,154,212,010.06/128,265.75 - Step 6: Final answer
x = 687,277.87
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Why These Related Problems?
These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.