Home / 91,180-138,028

Finding the Third Proportional to 91,180 and 138,028

Calculator

Solution

The third proportional to 91,180 and 138,028 is: 208,946.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,180 : 138,028 = 138,028 : x
  2. Step 2: Convert to fraction form
    91,180/138,028 = 138,028/x
  3. Step 3: Cross multiply
    91,180x = 138,028 × 138,028
  4. Step 4: Simplify right side
    91,180x = 19,051,728,784
  5. Step 5: Solve for x
    x = 19,051,728,784/91,180
  6. Step 6: Final answer
    x = 208,946.36

Related Problems

Find third proportional to 45,590 and 69,014
Half scale
Find third proportional to 182,360 and 276,056
Double scale
Find third proportional to 91,182 and 138,031
Similar ratio
Find third proportional to 136,770 and 207,042
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.