Finding the Third Proportional to 30,660,984.42 and 47,128,129.07
Calculator
Solution
The third proportional to 30,660,984.42 and 47,128,129.07 is: 72,439,309.80
Step by Step Solution
- Step 1: Write the proportion equation
30,660,984.42 : 47,128,129.07 = 47,128,129.07 : x - Step 2: Convert to fraction form
30,660,984.42/47,128,129.07 = 47,128,129.07/x - Step 3: Cross multiply
30,660,984.42x = 47,128,129.07 × 47,128,129.07 - Step 4: Simplify right side
30,660,984.42x = 2,221,060,549,299,821.75 - Step 5: Solve for x
x = 2,221,060,549,299,821.75/30,660,984.42 - Step 6: Final answer
x = 72,439,309.80
Related Problems
Find third proportional to 15,330,492.21 and 23,564,064.53
Half scale
Find third proportional to 61,321,968.84 and 94,256,258.13
Double scale
Find third proportional to 30,660,986 and 47,128,132
Similar ratio
Find third proportional to 45,991,476.63 and 70,692,193.60
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.