Home / 125,400-274,128

Finding the Third Proportional to 125,400 and 274,128

Calculator

Solution

The third proportional to 125,400 and 274,128 is: 599,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,400 : 274,128 = 274,128 : x
  2. Step 2: Convert to fraction form
    125,400/274,128 = 274,128/x
  3. Step 3: Cross multiply
    125,400x = 274,128 × 274,128
  4. Step 4: Simplify right side
    125,400x = 75,146,160,384
  5. Step 5: Solve for x
    x = 75,146,160,384/125,400
  6. Step 6: Final answer
    x = 599,251.68

Related Problems

Find third proportional to 62,700 and 137,064
Half scale
Find third proportional to 250,800 and 548,256
Double scale
Find third proportional to 125,402 and 274,132
Similar ratio
Find third proportional to 188,100 and 411,192
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.