Finding the Third Proportional to 857,709 and 1,261,615.50
Calculator
Solution
The third proportional to 857,709 and 1,261,615.50 is: 1,855,726.91
Step by Step Solution
- Step 1: Write the proportion equation
857,709 : 1,261,615.50 = 1,261,615.50 : x - Step 2: Convert to fraction form
857,709/1,261,615.50 = 1,261,615.50/x - Step 3: Cross multiply
857,709x = 1,261,615.50 × 1,261,615.50 - Step 4: Simplify right side
857,709x = 1,591,673,669,840.25 - Step 5: Solve for x
x = 1,591,673,669,840.25/857,709 - Step 6: Final answer
x = 1,855,726.91
Related Problems
Find third proportional to 428,854.50 and 630,807.75
Half scale
Find third proportional to 1,715,418 and 2,523,231
Double scale
Find third proportional to 857,711 and 1,261,618
Similar ratio
Find third proportional to 1,286,563.50 and 1,892,423.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.