Home / 250,662-378,120

Finding the Third Proportional to 250,662 and 378,120

Calculator

Solution

The third proportional to 250,662 and 378,120 is: 570,388.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,662 : 378,120 = 378,120 : x
  2. Step 2: Convert to fraction form
    250,662/378,120 = 378,120/x
  3. Step 3: Cross multiply
    250,662x = 378,120 × 378,120
  4. Step 4: Simplify right side
    250,662x = 142,974,734,400
  5. Step 5: Solve for x
    x = 142,974,734,400/250,662
  6. Step 6: Final answer
    x = 570,388.55

Related Problems

Find third proportional to 125,331 and 189,060
Half scale
Find third proportional to 501,324 and 756,240
Double scale
Find third proportional to 250,664 and 378,123
Similar ratio
Find third proportional to 375,993 and 567,180
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.