Home / 12,770-19,723

Finding the Third Proportional to 12,770 and 19,723

Calculator

Solution

The third proportional to 12,770 and 19,723 is: 30,461.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770 : 19,723 = 19,723 : x
  2. Step 2: Convert to fraction form
    12,770/19,723 = 19,723/x
  3. Step 3: Cross multiply
    12,770x = 19,723 × 19,723
  4. Step 4: Simplify right side
    12,770x = 388,996,729
  5. Step 5: Solve for x
    x = 388,996,729/12,770
  6. Step 6: Final answer
    x = 30,461.76

Related Problems

Find third proportional to 6,385 and 9,861.50
Half scale
Find third proportional to 25,540 and 39,446
Double scale
Find third proportional to 12,772 and 19,726
Similar ratio
Find third proportional to 19,155 and 29,584.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.