Finding the Third Proportional to 646,251.75 and 905,604.75
Calculator
Solution
The third proportional to 646,251.75 and 905,604.75 is: 1,269,040.99
Step by Step Solution
- Step 1: Write the proportion equation
646,251.75 : 905,604.75 = 905,604.75 : x - Step 2: Convert to fraction form
646,251.75/905,604.75 = 905,604.75/x - Step 3: Cross multiply
646,251.75x = 905,604.75 × 905,604.75 - Step 4: Simplify right side
646,251.75x = 820,119,963,222.56 - Step 5: Solve for x
x = 820,119,963,222.56/646,251.75 - Step 6: Final answer
x = 1,269,040.99
Related Problems
Find third proportional to 323,125.88 and 452,802.38
Half scale
Find third proportional to 1,292,503.50 and 1,811,209.50
Double scale
Find third proportional to 646,254 and 905,608
Similar ratio
Find third proportional to 969,377.63 and 1,358,407.13
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.