Finding the Third Proportional to 563 and 618
Calculator
Solution
The third proportional to 563 and 618 is: 678.37
Step by Step Solution
- Step 1: Write the proportion equation
563 : 618 = 618 : x - Step 2: Convert to fraction form
563/618 = 618/x - Step 3: Cross multiply
563x = 618 × 618 - Step 4: Simplify right side
563x = 381,924 - Step 5: Solve for x
x = 381,924/563 - Step 6: Final answer
x = 678.37
Related Problems
Find third proportional to 281.50 and 309
Half scale
Find third proportional to 1,126 and 1,236
Double scale
Find third proportional to 565 and 620
Similar ratio
Find third proportional to 844.50 and 927
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.