Home / 13,428-30,744

Finding the Third Proportional to 13,428 and 30,744

Calculator

Solution

The third proportional to 13,428 and 30,744 is: 70,389.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428 : 30,744 = 30,744 : x
  2. Step 2: Convert to fraction form
    13,428/30,744 = 30,744/x
  3. Step 3: Cross multiply
    13,428x = 30,744 × 30,744
  4. Step 4: Simplify right side
    13,428x = 945,193,536
  5. Step 5: Solve for x
    x = 945,193,536/13,428
  6. Step 6: Final answer
    x = 70,389.75

Related Problems

Find third proportional to 6,714 and 15,372
Half scale
Find third proportional to 26,856 and 61,488
Double scale
Find third proportional to 13,430 and 30,749
Similar ratio
Find third proportional to 20,142 and 46,116
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.