Home / 138,406-181,736

Finding the Third Proportional to 138,406 and 181,736

Calculator

Solution

The third proportional to 138,406 and 181,736 is: 238,631.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,406 : 181,736 = 181,736 : x
  2. Step 2: Convert to fraction form
    138,406/181,736 = 181,736/x
  3. Step 3: Cross multiply
    138,406x = 181,736 × 181,736
  4. Step 4: Simplify right side
    138,406x = 33,027,973,696
  5. Step 5: Solve for x
    x = 33,027,973,696/138,406
  6. Step 6: Final answer
    x = 238,631.08

Related Problems

Find third proportional to 69,203 and 90,868
Half scale
Find third proportional to 276,812 and 363,472
Double scale
Find third proportional to 138,408 and 181,739
Similar ratio
Find third proportional to 207,609 and 272,604
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.