Home / 86,976-133,272

Finding the Third Proportional to 86,976 and 133,272

Calculator

Solution

The third proportional to 86,976 and 133,272 is: 204,210.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,976 : 133,272 = 133,272 : x
  2. Step 2: Convert to fraction form
    86,976/133,272 = 133,272/x
  3. Step 3: Cross multiply
    86,976x = 133,272 × 133,272
  4. Step 4: Simplify right side
    86,976x = 17,761,425,984
  5. Step 5: Solve for x
    x = 17,761,425,984/86,976
  6. Step 6: Final answer
    x = 204,210.66

Related Problems

Find third proportional to 43,488 and 66,636
Half scale
Find third proportional to 173,952 and 266,544
Double scale
Find third proportional to 86,978 and 133,275
Similar ratio
Find third proportional to 130,464 and 199,908
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.