Finding the Third Proportional to 431,132.25 and 889,936.50
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Solution
The third proportional to 431,132.25 and 889,936.50 is: 1,836,993.11
Step by Step Solution
- Step 1: Write the proportion equation
431,132.25 : 889,936.50 = 889,936.50 : x - Step 2: Convert to fraction form
431,132.25/889,936.50 = 889,936.50/x - Step 3: Cross multiply
431,132.25x = 889,936.50 × 889,936.50 - Step 4: Simplify right side
431,132.25x = 791,986,974,032.25 - Step 5: Solve for x
x = 791,986,974,032.25/431,132.25 - Step 6: Final answer
x = 1,836,993.11
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Why These Related Problems?
These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.