Home / 10,216-14,720

Finding the Third Proportional to 10,216 and 14,720

Calculator

Solution

The third proportional to 10,216 and 14,720 is: 21,209.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,216 : 14,720 = 14,720 : x
  2. Step 2: Convert to fraction form
    10,216/14,720 = 14,720/x
  3. Step 3: Cross multiply
    10,216x = 14,720 × 14,720
  4. Step 4: Simplify right side
    10,216x = 216,678,400
  5. Step 5: Solve for x
    x = 216,678,400/10,216
  6. Step 6: Final answer
    x = 21,209.71

Related Problems

Find third proportional to 5,108 and 7,360
Half scale
Find third proportional to 20,432 and 29,440
Double scale
Find third proportional to 10,218 and 14,723
Similar ratio
Find third proportional to 15,324 and 22,080
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.