Home / 9,709.50-20,880

Finding the Third Proportional to 9,709.50 and 20,880

Calculator

Solution

The third proportional to 9,709.50 and 20,880 is: 44,901.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709.50 : 20,880 = 20,880 : x
  2. Step 2: Convert to fraction form
    9,709.50/20,880 = 20,880/x
  3. Step 3: Cross multiply
    9,709.50x = 20,880 × 20,880
  4. Step 4: Simplify right side
    9,709.50x = 435,974,400
  5. Step 5: Solve for x
    x = 435,974,400/9,709.50
  6. Step 6: Final answer
    x = 44,901.84

Related Problems

Find third proportional to 4,854.75 and 10,440
Half scale
Find third proportional to 19,419 and 41,760
Double scale
Find third proportional to 9,712 and 20,884
Similar ratio
Find third proportional to 14,564.25 and 31,320
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.