Home / 251,860-380,214

Finding the Third Proportional to 251,860 and 380,214

Calculator

Solution

The third proportional to 251,860 and 380,214 is: 573,980.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,860 : 380,214 = 380,214 : x
  2. Step 2: Convert to fraction form
    251,860/380,214 = 380,214/x
  3. Step 3: Cross multiply
    251,860x = 380,214 × 380,214
  4. Step 4: Simplify right side
    251,860x = 144,562,685,796
  5. Step 5: Solve for x
    x = 144,562,685,796/251,860
  6. Step 6: Final answer
    x = 573,980.33

Related Problems

Find third proportional to 125,930 and 190,107
Half scale
Find third proportional to 503,720 and 760,428
Double scale
Find third proportional to 251,862 and 380,217
Similar ratio
Find third proportional to 377,790 and 570,321
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.