Home / 218,115-470,604

Finding the Third Proportional to 218,115 and 470,604

Calculator

Solution

The third proportional to 218,115 and 470,604 is: 1,015,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,115 : 470,604 = 470,604 : x
  2. Step 2: Convert to fraction form
    218,115/470,604 = 470,604/x
  3. Step 3: Cross multiply
    218,115x = 470,604 × 470,604
  4. Step 4: Simplify right side
    218,115x = 221,468,124,816
  5. Step 5: Solve for x
    x = 221,468,124,816/218,115
  6. Step 6: Final answer
    x = 1,015,373.20

Related Problems

Find third proportional to 109,057.50 and 235,302
Half scale
Find third proportional to 436,230 and 941,208
Double scale
Find third proportional to 218,117 and 470,608
Similar ratio
Find third proportional to 327,172.50 and 705,906
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.