Home / 143,278,418.50-306,990,320

Finding the Third Proportional to 143,278,418.50 and 306,990,320

Calculator

Solution

The third proportional to 143,278,418.50 and 306,990,320 is: 657,761,703.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,278,418.50 : 306,990,320 = 306,990,320 : x
  2. Step 2: Convert to fraction form
    143,278,418.50/306,990,320 = 306,990,320/x
  3. Step 3: Cross multiply
    143,278,418.50x = 306,990,320 × 306,990,320
  4. Step 4: Simplify right side
    143,278,418.50x = 94,243,056,573,702,400
  5. Step 5: Solve for x
    x = 94,243,056,573,702,400/143,278,418.50
  6. Step 6: Final answer
    x = 657,761,703.13

Related Problems

Find third proportional to 71,639,209.25 and 153,495,160
Half scale
Find third proportional to 286,556,837 and 613,980,640
Double scale
Find third proportional to 143,278,421 and 306,990,324
Similar ratio
Find third proportional to 214,917,627.75 and 460,485,480
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.