Finding the Third Proportional to 134,420.50 and 206,315.50
Calculator
Solution
The third proportional to 134,420.50 and 206,315.50 is: 316,663.65
Step by Step Solution
- Step 1: Write the proportion equation
134,420.50 : 206,315.50 = 206,315.50 : x - Step 2: Convert to fraction form
134,420.50/206,315.50 = 206,315.50/x - Step 3: Cross multiply
134,420.50x = 206,315.50 × 206,315.50 - Step 4: Simplify right side
134,420.50x = 42,566,085,540.25 - Step 5: Solve for x
x = 42,566,085,540.25/134,420.50 - Step 6: Final answer
x = 316,663.65
Related Problems
Find third proportional to 67,210.25 and 103,157.75
Half scale
Find third proportional to 268,841 and 412,631
Double scale
Find third proportional to 134,423 and 206,319
Similar ratio
Find third proportional to 201,630.75 and 309,473.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.