Home / 51,990-112,720

Finding the Third Proportional to 51,990 and 112,720

Calculator

Solution

The third proportional to 51,990 and 112,720 is: 244,389.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,990 : 112,720 = 112,720 : x
  2. Step 2: Convert to fraction form
    51,990/112,720 = 112,720/x
  3. Step 3: Cross multiply
    51,990x = 112,720 × 112,720
  4. Step 4: Simplify right side
    51,990x = 12,705,798,400
  5. Step 5: Solve for x
    x = 12,705,798,400/51,990
  6. Step 6: Final answer
    x = 244,389.27

Related Problems

Find third proportional to 25,995 and 56,360
Half scale
Find third proportional to 103,980 and 225,440
Double scale
Find third proportional to 51,992 and 112,724
Similar ratio
Find third proportional to 77,985 and 169,080
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.