Finding the Third Proportional to 292,207.50 and 438,318.84
Calculator
Solution
The third proportional to 292,207.50 and 438,318.84 is: 657,489.66
Step by Step Solution
- Step 1: Write the proportion equation
292,207.50 : 438,318.84 = 438,318.84 : x - Step 2: Convert to fraction form
292,207.50/438,318.84 = 438,318.84/x - Step 3: Cross multiply
292,207.50x = 438,318.84 × 438,318.84 - Step 4: Simplify right side
292,207.50x = 192,123,408,786.34 - Step 5: Solve for x
x = 192,123,408,786.34/292,207.50 - Step 6: Final answer
x = 657,489.66
Related Problems
Find third proportional to 146,103.75 and 219,159.42
Half scale
Find third proportional to 584,415 and 876,637.69
Double scale
Find third proportional to 292,210 and 438,322
Similar ratio
Find third proportional to 438,311.25 and 657,478.27
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.