Home / 21,402-33,617

Finding the Third Proportional to 21,402 and 33,617

Calculator

Solution

The third proportional to 21,402 and 33,617 is: 52,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402 : 33,617 = 33,617 : x
  2. Step 2: Convert to fraction form
    21,402/33,617 = 33,617/x
  3. Step 3: Cross multiply
    21,402x = 33,617 × 33,617
  4. Step 4: Simplify right side
    21,402x = 1,130,102,689
  5. Step 5: Solve for x
    x = 1,130,102,689/21,402
  6. Step 6: Final answer
    x = 52,803.60

Related Problems

Find third proportional to 10,701 and 16,808.50
Half scale
Find third proportional to 42,804 and 67,234
Double scale
Find third proportional to 21,404 and 33,620
Similar ratio
Find third proportional to 32,103 and 50,425.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.