Finding the Third Proportional to 221,350,413 and 330,805,637
Calculator
Solution
The third proportional to 221,350,413 and 330,805,637 is: 494,385,205.74
Step by Step Solution
- Step 1: Write the proportion equation
221,350,413 : 330,805,637 = 330,805,637 : x - Step 2: Convert to fraction form
221,350,413/330,805,637 = 330,805,637/x - Step 3: Cross multiply
221,350,413x = 330,805,637 × 330,805,637 - Step 4: Simplify right side
221,350,413x = 109,432,369,470,975,776 - Step 5: Solve for x
x = 109,432,369,470,975,776/221,350,413 - Step 6: Final answer
x = 494,385,205.74
Related Problems
Find third proportional to 110,675,206.50 and 165,402,818.50
Half scale
Find third proportional to 442,700,826 and 661,611,274
Double scale
Find third proportional to 221,350,415 and 330,805,640
Similar ratio
Find third proportional to 332,025,619.50 and 496,208,455.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.