Finding the Third Proportional to 187,718.75 and 388,744.75
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Solution
The third proportional to 187,718.75 and 388,744.75 is: 805,047.34
Step by Step Solution
- Step 1: Write the proportion equation
187,718.75 : 388,744.75 = 388,744.75 : x - Step 2: Convert to fraction form
187,718.75/388,744.75 = 388,744.75/x - Step 3: Cross multiply
187,718.75x = 388,744.75 × 388,744.75 - Step 4: Simplify right side
187,718.75x = 151,122,480,652.56 - Step 5: Solve for x
x = 151,122,480,652.56/187,718.75 - Step 6: Final answer
x = 805,047.34
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Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.