Finding the Third Proportional to 48,978 and 72,747
Calculator
Solution
The third proportional to 48,978 and 72,747 is: 108,051.08
Step by Step Solution
- Step 1: Write the proportion equation
48,978 : 72,747 = 72,747 : x - Step 2: Convert to fraction form
48,978/72,747 = 72,747/x - Step 3: Cross multiply
48,978x = 72,747 × 72,747 - Step 4: Simplify right side
48,978x = 5,292,126,009 - Step 5: Solve for x
x = 5,292,126,009/48,978 - Step 6: Final answer
x = 108,051.08
Related Problems
Find third proportional to 24,489 and 36,373.50
Half scale
Find third proportional to 97,956 and 145,494
Double scale
Find third proportional to 48,980 and 72,750
Similar ratio
Find third proportional to 73,467 and 109,120.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.