Finding the Third Proportional to 199,432,980 and 306,353,476
Calculator
Solution
The third proportional to 199,432,980 and 306,353,476 is: 470,596,449.28
Step by Step Solution
- Step 1: Write the proportion equation
199,432,980 : 306,353,476 = 306,353,476 : x - Step 2: Convert to fraction form
199,432,980/306,353,476 = 306,353,476/x - Step 3: Cross multiply
199,432,980x = 306,353,476 × 306,353,476 - Step 4: Simplify right side
199,432,980x = 93,852,452,257,282,576 - Step 5: Solve for x
x = 93,852,452,257,282,576/199,432,980 - Step 6: Final answer
x = 470,596,449.28
Related Problems
Find third proportional to 99,716,490 and 153,176,738
Half scale
Find third proportional to 398,865,960 and 612,706,952
Double scale
Find third proportional to 199,432,982 and 306,353,479
Similar ratio
Find third proportional to 299,149,470 and 459,530,214
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.