Home / 177,788-266,410

Finding the Third Proportional to 177,788 and 266,410

Calculator

Solution

The third proportional to 177,788 and 266,410 is: 399,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,788 : 266,410 = 266,410 : x
  2. Step 2: Convert to fraction form
    177,788/266,410 = 266,410/x
  3. Step 3: Cross multiply
    177,788x = 266,410 × 266,410
  4. Step 4: Simplify right side
    177,788x = 70,974,288,100
  5. Step 5: Solve for x
    x = 70,974,288,100/177,788
  6. Step 6: Final answer
    x = 399,207.42

Related Problems

Find third proportional to 88,894 and 133,205
Half scale
Find third proportional to 355,576 and 532,820
Double scale
Find third proportional to 177,790 and 266,413
Similar ratio
Find third proportional to 266,682 and 399,615
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.