Home / 123,768-270,720

Finding the Third Proportional to 123,768 and 270,720

Calculator

Solution

The third proportional to 123,768 and 270,720 is: 592,150.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,768 : 270,720 = 270,720 : x
  2. Step 2: Convert to fraction form
    123,768/270,720 = 270,720/x
  3. Step 3: Cross multiply
    123,768x = 270,720 × 270,720
  4. Step 4: Simplify right side
    123,768x = 73,289,318,400
  5. Step 5: Solve for x
    x = 73,289,318,400/123,768
  6. Step 6: Final answer
    x = 592,150.79

Related Problems

Find third proportional to 61,884 and 135,360
Half scale
Find third proportional to 247,536 and 541,440
Double scale
Find third proportional to 123,770 and 270,724
Similar ratio
Find third proportional to 185,652 and 406,080
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.