Finding the Third Proportional to 77,984.63 and 118,077.75
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Solution
The third proportional to 77,984.63 and 118,077.75 is: 178,783.38
Step by Step Solution
- Step 1: Write the proportion equation
77,984.63 : 118,077.75 = 118,077.75 : x - Step 2: Convert to fraction form
77,984.63/118,077.75 = 118,077.75/x - Step 3: Cross multiply
77,984.63x = 118,077.75 × 118,077.75 - Step 4: Simplify right side
77,984.63x = 13,942,355,045.06 - Step 5: Solve for x
x = 13,942,355,045.06/77,984.63 - Step 6: Final answer
x = 178,783.38
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.