Home / 121,740-265,624

Finding the Third Proportional to 121,740 and 265,624

Calculator

Solution

The third proportional to 121,740 and 265,624 is: 579,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,740 : 265,624 = 265,624 : x
  2. Step 2: Convert to fraction form
    121,740/265,624 = 265,624/x
  3. Step 3: Cross multiply
    121,740x = 265,624 × 265,624
  4. Step 4: Simplify right side
    121,740x = 70,556,109,376
  5. Step 5: Solve for x
    x = 70,556,109,376/121,740
  6. Step 6: Final answer
    x = 579,563.90

Related Problems

Find third proportional to 60,870 and 132,812
Half scale
Find third proportional to 243,480 and 531,248
Double scale
Find third proportional to 121,742 and 265,628
Similar ratio
Find third proportional to 182,610 and 398,436
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.