Home / 15,402-17,832

Finding the Third Proportional to 15,402 and 17,832

Calculator

Solution

The third proportional to 15,402 and 17,832 is: 20,645.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402 : 17,832 = 17,832 : x
  2. Step 2: Convert to fraction form
    15,402/17,832 = 17,832/x
  3. Step 3: Cross multiply
    15,402x = 17,832 × 17,832
  4. Step 4: Simplify right side
    15,402x = 317,980,224
  5. Step 5: Solve for x
    x = 317,980,224/15,402
  6. Step 6: Final answer
    x = 20,645.39

Related Problems

Find third proportional to 7,701 and 8,916
Half scale
Find third proportional to 30,804 and 35,664
Double scale
Find third proportional to 15,404 and 17,834
Similar ratio
Find third proportional to 23,103 and 26,748
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.