Home / 239,790-486,303

Finding the Third Proportional to 239,790 and 486,303

Calculator

Solution

The third proportional to 239,790 and 486,303 is: 986,240.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,790 : 486,303 = 486,303 : x
  2. Step 2: Convert to fraction form
    239,790/486,303 = 486,303/x
  3. Step 3: Cross multiply
    239,790x = 486,303 × 486,303
  4. Step 4: Simplify right side
    239,790x = 236,490,607,809
  5. Step 5: Solve for x
    x = 236,490,607,809/239,790
  6. Step 6: Final answer
    x = 986,240.49

Related Problems

Find third proportional to 119,895 and 243,151.50
Half scale
Find third proportional to 479,580 and 972,606
Double scale
Find third proportional to 239,792 and 486,307
Similar ratio
Find third proportional to 359,685 and 729,454.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.