Home / 172,828-266,612

Finding the Third Proportional to 172,828 and 266,612

Calculator

Solution

The third proportional to 172,828 and 266,612 is: 411,287.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,828 : 266,612 = 266,612 : x
  2. Step 2: Convert to fraction form
    172,828/266,612 = 266,612/x
  3. Step 3: Cross multiply
    172,828x = 266,612 × 266,612
  4. Step 4: Simplify right side
    172,828x = 71,081,958,544
  5. Step 5: Solve for x
    x = 71,081,958,544/172,828
  6. Step 6: Final answer
    x = 411,287.28

Related Problems

Find third proportional to 86,414 and 133,306
Half scale
Find third proportional to 345,656 and 533,224
Double scale
Find third proportional to 172,830 and 266,615
Similar ratio
Find third proportional to 259,242 and 399,918
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.