Finding the Third Proportional to 447,908,672 and 640,510,176
Calculator
Solution
The third proportional to 447,908,672 and 640,510,176 is: 915,930,659.99
Step by Step Solution
- Step 1: Write the proportion equation
447,908,672 : 640,510,176 = 640,510,176 : x - Step 2: Convert to fraction form
447,908,672/640,510,176 = 640,510,176/x - Step 3: Cross multiply
447,908,672x = 640,510,176 × 640,510,176 - Step 4: Simplify right side
447,908,672x = 410,253,285,559,550,976 - Step 5: Solve for x
x = 410,253,285,559,550,976/447,908,672 - Step 6: Final answer
x = 915,930,659.99
Related Problems
Find third proportional to 223,954,336 and 320,255,088
Half scale
Find third proportional to 895,817,344 and 1,281,020,352
Double scale
Find third proportional to 447,908,674 and 640,510,179
Similar ratio
Find third proportional to 671,863,008 and 960,765,264
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.