Home / 253,800-551,340

Finding the Third Proportional to 253,800 and 551,340

Calculator

Solution

The third proportional to 253,800 and 551,340 is: 1,197,698.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,800 : 551,340 = 551,340 : x
  2. Step 2: Convert to fraction form
    253,800/551,340 = 551,340/x
  3. Step 3: Cross multiply
    253,800x = 551,340 × 551,340
  4. Step 4: Simplify right side
    253,800x = 303,975,795,600
  5. Step 5: Solve for x
    x = 303,975,795,600/253,800
  6. Step 6: Final answer
    x = 1,197,698.17

Related Problems

Find third proportional to 126,900 and 275,670
Half scale
Find third proportional to 507,600 and 1,102,680
Double scale
Find third proportional to 253,802 and 551,344
Similar ratio
Find third proportional to 380,700 and 827,010
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.