Finding the Third Proportional to 644,104.13 and 1,376,781.75
Calculator
Solution
The third proportional to 644,104.13 and 1,376,781.75 is: 2,942,890.62
Step by Step Solution
- Step 1: Write the proportion equation
644,104.13 : 1,376,781.75 = 1,376,781.75 : x - Step 2: Convert to fraction form
644,104.13/1,376,781.75 = 1,376,781.75/x - Step 3: Cross multiply
644,104.13x = 1,376,781.75 × 1,376,781.75 - Step 4: Simplify right side
644,104.13x = 1,895,527,987,133.06 - Step 5: Solve for x
x = 1,895,527,987,133.06/644,104.13 - Step 6: Final answer
x = 2,942,890.62
Related Problems
Find third proportional to 322,052.06 and 688,390.88
Half scale
Find third proportional to 1,288,208.25 and 2,753,563.50
Double scale
Find third proportional to 644,106 and 1,376,786
Similar ratio
Find third proportional to 966,156.19 and 2,065,172.63
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.