Finding the Third Proportional to 210,960 and 456,768
Calculator
Solution
The third proportional to 210,960 and 456,768 is: 988,988.46
Step by Step Solution
- Step 1: Write the proportion equation
210,960 : 456,768 = 456,768 : x - Step 2: Convert to fraction form
210,960/456,768 = 456,768/x - Step 3: Cross multiply
210,960x = 456,768 × 456,768 - Step 4: Simplify right side
210,960x = 208,637,005,824 - Step 5: Solve for x
x = 208,637,005,824/210,960 - Step 6: Final answer
x = 988,988.46
Related Problems
Find third proportional to 105,480 and 228,384
Half scale
Find third proportional to 421,920 and 913,536
Double scale
Find third proportional to 210,962 and 456,772
Similar ratio
Find third proportional to 316,440 and 685,152
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.