Finding the Third Proportional to 687,210.75 and 1,104,688.13
Calculator
Solution
The third proportional to 687,210.75 and 1,104,688.13 is: 1,775,781.09
Step by Step Solution
- Step 1: Write the proportion equation
687,210.75 : 1,104,688.13 = 1,104,688.13 : x - Step 2: Convert to fraction form
687,210.75/1,104,688.13 = 1,104,688.13/x - Step 3: Cross multiply
687,210.75x = 1,104,688.13 × 1,104,688.13 - Step 4: Simplify right side
687,210.75x = 1,220,335,853,516.02 - Step 5: Solve for x
x = 1,220,335,853,516.02/687,210.75 - Step 6: Final answer
x = 1,775,781.09
Related Problems
Find third proportional to 343,605.38 and 552,344.06
Half scale
Find third proportional to 1,374,421.50 and 2,209,376.25
Double scale
Find third proportional to 687,213 and 1,104,691
Similar ratio
Find third proportional to 1,030,816.13 and 1,657,032.19
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.