Home / 250,986-489,360

Finding the Third Proportional to 250,986 and 489,360

Calculator

Solution

The third proportional to 250,986 and 489,360 is: 954,129.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,986 : 489,360 = 489,360 : x
  2. Step 2: Convert to fraction form
    250,986/489,360 = 489,360/x
  3. Step 3: Cross multiply
    250,986x = 489,360 × 489,360
  4. Step 4: Simplify right side
    250,986x = 239,473,209,600
  5. Step 5: Solve for x
    x = 239,473,209,600/250,986
  6. Step 6: Final answer
    x = 954,129.75

Related Problems

Find third proportional to 125,493 and 244,680
Half scale
Find third proportional to 501,972 and 978,720
Double scale
Find third proportional to 250,988 and 489,364
Similar ratio
Find third proportional to 376,479 and 734,040
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.