Home / 177,600-377,800

Finding the Third Proportional to 177,600 and 377,800

Calculator

Solution

The third proportional to 177,600 and 377,800 is: 803,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,600 : 377,800 = 377,800 : x
  2. Step 2: Convert to fraction form
    177,600/377,800 = 377,800/x
  3. Step 3: Cross multiply
    177,600x = 377,800 × 377,800
  4. Step 4: Simplify right side
    177,600x = 142,732,840,000
  5. Step 5: Solve for x
    x = 142,732,840,000/177,600
  6. Step 6: Final answer
    x = 803,675.90

Related Problems

Find third proportional to 88,800 and 188,900
Half scale
Find third proportional to 355,200 and 755,600
Double scale
Find third proportional to 177,602 and 377,804
Similar ratio
Find third proportional to 266,400 and 566,700
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.