Home / 82,869-126,712

Finding the Third Proportional to 82,869 and 126,712

Calculator

Solution

The third proportional to 82,869 and 126,712 is: 193,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,869 : 126,712 = 126,712 : x
  2. Step 2: Convert to fraction form
    82,869/126,712 = 126,712/x
  3. Step 3: Cross multiply
    82,869x = 126,712 × 126,712
  4. Step 4: Simplify right side
    82,869x = 16,055,930,944
  5. Step 5: Solve for x
    x = 16,055,930,944/82,869
  6. Step 6: Final answer
    x = 193,750.75

Related Problems

Find third proportional to 41,434.50 and 63,356
Half scale
Find third proportional to 165,738 and 253,424
Double scale
Find third proportional to 82,871 and 126,715
Similar ratio
Find third proportional to 124,303.50 and 190,068
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.