Finding the Third Proportional to 149,955.75 and 316,768.50
Calculator
Solution
The third proportional to 149,955.75 and 316,768.50 is: 669,145.95
Step by Step Solution
- Step 1: Write the proportion equation
149,955.75 : 316,768.50 = 316,768.50 : x - Step 2: Convert to fraction form
149,955.75/316,768.50 = 316,768.50/x - Step 3: Cross multiply
149,955.75x = 316,768.50 × 316,768.50 - Step 4: Simplify right side
149,955.75x = 100,342,282,592.25 - Step 5: Solve for x
x = 100,342,282,592.25/149,955.75 - Step 6: Final answer
x = 669,145.95
Related Problems
Find third proportional to 74,977.88 and 158,384.25
Half scale
Find third proportional to 299,911.50 and 633,537
Double scale
Find third proportional to 149,958 and 316,773
Similar ratio
Find third proportional to 224,933.63 and 475,152.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.