Finding the Third Proportional to 78,640.88 and 162,708.75
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Solution
The third proportional to 78,640.88 and 162,708.75 is: 336,646.02
Step by Step Solution
- Step 1: Write the proportion equation
78,640.88 : 162,708.75 = 162,708.75 : x - Step 2: Convert to fraction form
78,640.88/162,708.75 = 162,708.75/x - Step 3: Cross multiply
78,640.88x = 162,708.75 × 162,708.75 - Step 4: Simplify right side
78,640.88x = 26,474,137,326.56 - Step 5: Solve for x
x = 26,474,137,326.56/78,640.88 - Step 6: Final answer
x = 336,646.02
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These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.