Home / 81,960-126,580

Finding the Third Proportional to 81,960 and 126,580

Calculator

Solution

The third proportional to 81,960 and 126,580 is: 195,491.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,960 : 126,580 = 126,580 : x
  2. Step 2: Convert to fraction form
    81,960/126,580 = 126,580/x
  3. Step 3: Cross multiply
    81,960x = 126,580 × 126,580
  4. Step 4: Simplify right side
    81,960x = 16,022,496,400
  5. Step 5: Solve for x
    x = 16,022,496,400/81,960
  6. Step 6: Final answer
    x = 195,491.66

Related Problems

Find third proportional to 40,980 and 63,290
Half scale
Find third proportional to 163,920 and 253,160
Double scale
Find third proportional to 81,962 and 126,583
Similar ratio
Find third proportional to 122,940 and 189,870
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.