Home / 218,649-470,850

Finding the Third Proportional to 218,649 and 470,850

Calculator

Solution

The third proportional to 218,649 and 470,850 is: 1,013,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,649 : 470,850 = 470,850 : x
  2. Step 2: Convert to fraction form
    218,649/470,850 = 470,850/x
  3. Step 3: Cross multiply
    218,649x = 470,850 × 470,850
  4. Step 4: Simplify right side
    218,649x = 221,699,722,500
  5. Step 5: Solve for x
    x = 221,699,722,500/218,649
  6. Step 6: Final answer
    x = 1,013,952.60

Related Problems

Find third proportional to 109,324.50 and 235,425
Half scale
Find third proportional to 437,298 and 941,700
Double scale
Find third proportional to 218,651 and 470,854
Similar ratio
Find third proportional to 327,973.50 and 706,275
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.