Home / 13,370-20,770

Finding the Third Proportional to 13,370 and 20,770

Calculator

Solution

The third proportional to 13,370 and 20,770 is: 32,265.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370 : 20,770 = 20,770 : x
  2. Step 2: Convert to fraction form
    13,370/20,770 = 20,770/x
  3. Step 3: Cross multiply
    13,370x = 20,770 × 20,770
  4. Step 4: Simplify right side
    13,370x = 431,392,900
  5. Step 5: Solve for x
    x = 431,392,900/13,370
  6. Step 6: Final answer
    x = 32,265.74

Related Problems

Find third proportional to 6,685 and 10,385
Half scale
Find third proportional to 26,740 and 41,540
Double scale
Find third proportional to 13,372 and 20,773
Similar ratio
Find third proportional to 20,055 and 31,155
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.