Finding the Third Proportional to 55,554.75 and 77,769.75
Calculator
Solution
The third proportional to 55,554.75 and 77,769.75 is: 108,867.99
Step by Step Solution
- Step 1: Write the proportion equation
55,554.75 : 77,769.75 = 77,769.75 : x - Step 2: Convert to fraction form
55,554.75/77,769.75 = 77,769.75/x - Step 3: Cross multiply
55,554.75x = 77,769.75 × 77,769.75 - Step 4: Simplify right side
55,554.75x = 6,048,134,015.06 - Step 5: Solve for x
x = 6,048,134,015.06/55,554.75 - Step 6: Final answer
x = 108,867.99
Related Problems
Find third proportional to 27,777.38 and 38,884.88
Half scale
Find third proportional to 111,109.50 and 155,539.50
Double scale
Find third proportional to 55,557 and 77,773
Similar ratio
Find third proportional to 83,332.13 and 116,654.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.