Home / 187,028-400,318

Finding the Third Proportional to 187,028 and 400,318

Calculator

Solution

The third proportional to 187,028 and 400,318 is: 856,847.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,028 : 400,318 = 400,318 : x
  2. Step 2: Convert to fraction form
    187,028/400,318 = 400,318/x
  3. Step 3: Cross multiply
    187,028x = 400,318 × 400,318
  4. Step 4: Simplify right side
    187,028x = 160,254,501,124
  5. Step 5: Solve for x
    x = 160,254,501,124/187,028
  6. Step 6: Final answer
    x = 856,847.64

Related Problems

Find third proportional to 93,514 and 200,159
Half scale
Find third proportional to 374,056 and 800,636
Double scale
Find third proportional to 187,030 and 400,322
Similar ratio
Find third proportional to 280,542 and 600,477
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.