Finding the Third Proportional to 128,584.13 and 282,075.75
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Solution
The third proportional to 128,584.13 and 282,075.75 is: 618,791.23
Step by Step Solution
- Step 1: Write the proportion equation
128,584.13 : 282,075.75 = 282,075.75 : x - Step 2: Convert to fraction form
128,584.13/282,075.75 = 282,075.75/x - Step 3: Cross multiply
128,584.13x = 282,075.75 × 282,075.75 - Step 4: Simplify right side
128,584.13x = 79,566,728,738.06 - Step 5: Solve for x
x = 79,566,728,738.06/128,584.13 - Step 6: Final answer
x = 618,791.23
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.