Home / 157,854-240,720

Finding the Third Proportional to 157,854 and 240,720

Calculator

Solution

The third proportional to 157,854 and 240,720 is: 367,086.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,854 : 240,720 = 240,720 : x
  2. Step 2: Convert to fraction form
    157,854/240,720 = 240,720/x
  3. Step 3: Cross multiply
    157,854x = 240,720 × 240,720
  4. Step 4: Simplify right side
    157,854x = 57,946,118,400
  5. Step 5: Solve for x
    x = 57,946,118,400/157,854
  6. Step 6: Final answer
    x = 367,086.79

Related Problems

Find third proportional to 78,927 and 120,360
Half scale
Find third proportional to 315,708 and 481,440
Double scale
Find third proportional to 157,856 and 240,723
Similar ratio
Find third proportional to 236,781 and 361,080
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.