Finding the Third Proportional to 442,315.50 and 667,138.50
Calculator
Solution
The third proportional to 442,315.50 and 667,138.50 is: 1,006,236.00
Step by Step Solution
- Step 1: Write the proportion equation
442,315.50 : 667,138.50 = 667,138.50 : x - Step 2: Convert to fraction form
442,315.50/667,138.50 = 667,138.50/x - Step 3: Cross multiply
442,315.50x = 667,138.50 × 667,138.50 - Step 4: Simplify right side
442,315.50x = 445,073,778,182.25 - Step 5: Solve for x
x = 445,073,778,182.25/442,315.50 - Step 6: Final answer
x = 1,006,236.00
Related Problems
Find third proportional to 221,157.75 and 333,569.25
Half scale
Find third proportional to 884,631 and 1,334,277
Double scale
Find third proportional to 442,318 and 667,142
Similar ratio
Find third proportional to 663,473.25 and 1,000,707.75
1.5x scale
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.