Finding the Third Proportional to 449,637 and 978,591
Calculator
Solution
The third proportional to 449,637 and 978,591 is: 2,129,807.70
Step by Step Solution
- Step 1: Write the proportion equation
449,637 : 978,591 = 978,591 : x - Step 2: Convert to fraction form
449,637/978,591 = 978,591/x - Step 3: Cross multiply
449,637x = 978,591 × 978,591 - Step 4: Simplify right side
449,637x = 957,640,345,281 - Step 5: Solve for x
x = 957,640,345,281/449,637 - Step 6: Final answer
x = 2,129,807.70
Related Problems
Find third proportional to 224,818.50 and 489,295.50
Half scale
Find third proportional to 899,274 and 1,957,182
Double scale
Find third proportional to 449,639 and 978,595
Similar ratio
Find third proportional to 674,455.50 and 1,467,886.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.