Home / 143,278,417.50-306,990,318

Finding the Third Proportional to 143,278,417.50 and 306,990,318

Calculator

Solution

The third proportional to 143,278,417.50 and 306,990,318 is: 657,761,699.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,278,417.50 : 306,990,318 = 306,990,318 : x
  2. Step 2: Convert to fraction form
    143,278,417.50/306,990,318 = 306,990,318/x
  3. Step 3: Cross multiply
    143,278,417.50x = 306,990,318 × 306,990,318
  4. Step 4: Simplify right side
    143,278,417.50x = 94,243,055,345,741,120
  5. Step 5: Solve for x
    x = 94,243,055,345,741,120/143,278,417.50
  6. Step 6: Final answer
    x = 657,761,699.15

Related Problems

Find third proportional to 71,639,208.75 and 153,495,159
Half scale
Find third proportional to 286,556,835 and 613,980,636
Double scale
Find third proportional to 143,278,420 and 306,990,322
Similar ratio
Find third proportional to 214,917,626.25 and 460,485,477
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.