Home / 121,742-265,628

Finding the Third Proportional to 121,742 and 265,628

Calculator

Solution

The third proportional to 121,742 and 265,628 is: 579,571.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,742 : 265,628 = 265,628 : x
  2. Step 2: Convert to fraction form
    121,742/265,628 = 265,628/x
  3. Step 3: Cross multiply
    121,742x = 265,628 × 265,628
  4. Step 4: Simplify right side
    121,742x = 70,558,234,384
  5. Step 5: Solve for x
    x = 70,558,234,384/121,742
  6. Step 6: Final answer
    x = 579,571.84

Related Problems

Find third proportional to 60,871 and 132,814
Half scale
Find third proportional to 243,484 and 531,256
Double scale
Find third proportional to 121,744 and 265,632
Similar ratio
Find third proportional to 182,613 and 398,442
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.