Home / 172,854-266,656

Finding the Third Proportional to 172,854 and 266,656

Calculator

Solution

The third proportional to 172,854 and 266,656 is: 411,361.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,854 : 266,656 = 266,656 : x
  2. Step 2: Convert to fraction form
    172,854/266,656 = 266,656/x
  3. Step 3: Cross multiply
    172,854x = 266,656 × 266,656
  4. Step 4: Simplify right side
    172,854x = 71,105,422,336
  5. Step 5: Solve for x
    x = 71,105,422,336/172,854
  6. Step 6: Final answer
    x = 411,361.16

Related Problems

Find third proportional to 86,427 and 133,328
Half scale
Find third proportional to 345,708 and 533,312
Double scale
Find third proportional to 172,856 and 266,659
Similar ratio
Find third proportional to 259,281 and 399,984
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.