Finding the Third Proportional to 646,560 and 1,405,135.50
Calculator
Solution
The third proportional to 646,560 and 1,405,135.50 is: 3,053,708.51
Step by Step Solution
- Step 1: Write the proportion equation
646,560 : 1,405,135.50 = 1,405,135.50 : x - Step 2: Convert to fraction form
646,560/1,405,135.50 = 1,405,135.50/x - Step 3: Cross multiply
646,560x = 1,405,135.50 × 1,405,135.50 - Step 4: Simplify right side
646,560x = 1,974,405,773,360.25 - Step 5: Solve for x
x = 1,974,405,773,360.25/646,560 - Step 6: Final answer
x = 3,053,708.51
Related Problems
Find third proportional to 323,280 and 702,567.75
Half scale
Find third proportional to 1,293,120 and 2,810,271
Double scale
Find third proportional to 646,562 and 1,405,140
Similar ratio
Find third proportional to 969,840 and 2,107,703.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.