Home / 219,812-470,720

Finding the Third Proportional to 219,812 and 470,720

Calculator

Solution

The third proportional to 219,812 and 470,720 is: 1,008,031.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,812 : 470,720 = 470,720 : x
  2. Step 2: Convert to fraction form
    219,812/470,720 = 470,720/x
  3. Step 3: Cross multiply
    219,812x = 470,720 × 470,720
  4. Step 4: Simplify right side
    219,812x = 221,577,318,400
  5. Step 5: Solve for x
    x = 221,577,318,400/219,812
  6. Step 6: Final answer
    x = 1,008,031.04

Related Problems

Find third proportional to 109,906 and 235,360
Half scale
Find third proportional to 439,624 and 941,440
Double scale
Find third proportional to 219,814 and 470,724
Similar ratio
Find third proportional to 329,718 and 706,080
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.