Finding the Third Proportional to 288,876.75 and 644,138.06
Calculator
Solution
The third proportional to 288,876.75 and 644,138.06 is: 1,436,300.58
Step by Step Solution
- Step 1: Write the proportion equation
288,876.75 : 644,138.06 = 644,138.06 : x - Step 2: Convert to fraction form
288,876.75/644,138.06 = 644,138.06/x - Step 3: Cross multiply
288,876.75x = 644,138.06 × 644,138.06 - Step 4: Simplify right side
288,876.75x = 414,913,843,561.25 - Step 5: Solve for x
x = 414,913,843,561.25/288,876.75 - Step 6: Final answer
x = 1,436,300.58
Related Problems
Find third proportional to 144,438.38 and 322,069.03
Half scale
Find third proportional to 577,753.50 and 1,288,276.13
Double scale
Find third proportional to 288,879 and 644,143
Similar ratio
Find third proportional to 433,315.13 and 966,207.09
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.