Finding the Third Proportional to 143,278,422 and 306,990,328
Calculator
Solution
The third proportional to 143,278,422 and 306,990,328 is: 657,761,721.34
Step by Step Solution
- Step 1: Write the proportion equation
143,278,422 : 306,990,328 = 306,990,328 : x - Step 2: Convert to fraction form
143,278,422/306,990,328 = 306,990,328/x - Step 3: Cross multiply
143,278,422x = 306,990,328 × 306,990,328 - Step 4: Simplify right side
143,278,422x = 94,243,061,485,547,584 - Step 5: Solve for x
x = 94,243,061,485,547,584/143,278,422 - Step 6: Final answer
x = 657,761,721.34
Related Problems
Find third proportional to 71,639,211 and 153,495,164
Half scale
Find third proportional to 286,556,844 and 613,980,656
Double scale
Find third proportional to 143,278,424 and 306,990,332
Similar ratio
Find third proportional to 214,917,633 and 460,485,492
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.