Home / 109,939-239,628

Finding the Third Proportional to 109,939 and 239,628

Calculator

Solution

The third proportional to 109,939 and 239,628 is: 522,303.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,939 : 239,628 = 239,628 : x
  2. Step 2: Convert to fraction form
    109,939/239,628 = 239,628/x
  3. Step 3: Cross multiply
    109,939x = 239,628 × 239,628
  4. Step 4: Simplify right side
    109,939x = 57,421,578,384
  5. Step 5: Solve for x
    x = 57,421,578,384/109,939
  6. Step 6: Final answer
    x = 522,303.99

Related Problems

Find third proportional to 54,969.50 and 119,814
Half scale
Find third proportional to 219,878 and 479,256
Double scale
Find third proportional to 109,941 and 239,632
Similar ratio
Find third proportional to 164,908.50 and 359,442
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.