Finding the Third Proportional to 50,862 and 78,688
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Solution
The third proportional to 50,862 and 78,688 is: 121,737.28
Step by Step Solution
- Step 1: Write the proportion equation
50,862 : 78,688 = 78,688 : x - Step 2: Convert to fraction form
50,862/78,688 = 78,688/x - Step 3: Cross multiply
50,862x = 78,688 × 78,688 - Step 4: Simplify right side
50,862x = 6,191,801,344 - Step 5: Solve for x
x = 6,191,801,344/50,862 - Step 6: Final answer
x = 121,737.28
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.