Finding the Third Proportional to 75,990.75 and 175,920.75
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Solution
The third proportional to 75,990.75 and 175,920.75 is: 407,261.55
Step by Step Solution
- Step 1: Write the proportion equation
75,990.75 : 175,920.75 = 175,920.75 : x - Step 2: Convert to fraction form
75,990.75/175,920.75 = 175,920.75/x - Step 3: Cross multiply
75,990.75x = 175,920.75 × 175,920.75 - Step 4: Simplify right side
75,990.75x = 30,948,110,280.56 - Step 5: Solve for x
x = 30,948,110,280.56/75,990.75 - Step 6: Final answer
x = 407,261.55
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Why These Related Problems?
These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.