Home / 91,632-138,724

Finding the Third Proportional to 91,632 and 138,724

Calculator

Solution

The third proportional to 91,632 and 138,724 is: 210,017.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,632 : 138,724 = 138,724 : x
  2. Step 2: Convert to fraction form
    91,632/138,724 = 138,724/x
  3. Step 3: Cross multiply
    91,632x = 138,724 × 138,724
  4. Step 4: Simplify right side
    91,632x = 19,244,348,176
  5. Step 5: Solve for x
    x = 19,244,348,176/91,632
  6. Step 6: Final answer
    x = 210,017.77

Related Problems

Find third proportional to 45,816 and 69,362
Half scale
Find third proportional to 183,264 and 277,448
Double scale
Find third proportional to 91,634 and 138,727
Similar ratio
Find third proportional to 137,448 and 208,086
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.