Home / 138,060-211,104

Finding the Third Proportional to 138,060 and 211,104

Calculator

Solution

The third proportional to 138,060 and 211,104 is: 322,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,060 : 211,104 = 211,104 : x
  2. Step 2: Convert to fraction form
    138,060/211,104 = 211,104/x
  3. Step 3: Cross multiply
    138,060x = 211,104 × 211,104
  4. Step 4: Simplify right side
    138,060x = 44,564,898,816
  5. Step 5: Solve for x
    x = 44,564,898,816/138,060
  6. Step 6: Final answer
    x = 322,793.70

Related Problems

Find third proportional to 69,030 and 105,552
Half scale
Find third proportional to 276,120 and 422,208
Double scale
Find third proportional to 138,062 and 211,107
Similar ratio
Find third proportional to 207,090 and 316,656
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.