Home / 21,600-35,270

Finding the Third Proportional to 21,600 and 35,270

Calculator

Solution

The third proportional to 21,600 and 35,270 is: 57,591.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,600 : 35,270 = 35,270 : x
  2. Step 2: Convert to fraction form
    21,600/35,270 = 35,270/x
  3. Step 3: Cross multiply
    21,600x = 35,270 × 35,270
  4. Step 4: Simplify right side
    21,600x = 1,243,972,900
  5. Step 5: Solve for x
    x = 1,243,972,900/21,600
  6. Step 6: Final answer
    x = 57,591.34

Related Problems

Find third proportional to 10,800 and 17,635
Half scale
Find third proportional to 43,200 and 70,540
Double scale
Find third proportional to 21,602 and 35,273
Similar ratio
Find third proportional to 32,400 and 52,905
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.