Home / 15,124-19,770

Finding the Third Proportional to 15,124 and 19,770

Calculator

Solution

The third proportional to 15,124 and 19,770 is: 25,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124 : 19,770 = 19,770 : x
  2. Step 2: Convert to fraction form
    15,124/19,770 = 19,770/x
  3. Step 3: Cross multiply
    15,124x = 19,770 × 19,770
  4. Step 4: Simplify right side
    15,124x = 390,852,900
  5. Step 5: Solve for x
    x = 390,852,900/15,124
  6. Step 6: Final answer
    x = 25,843.22

Related Problems

Find third proportional to 7,562 and 9,885
Half scale
Find third proportional to 30,248 and 39,540
Double scale
Find third proportional to 15,126 and 19,773
Similar ratio
Find third proportional to 22,686 and 29,655
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.