Home / 81,260-119,540

Finding the Third Proportional to 81,260 and 119,540

Calculator

Solution

The third proportional to 81,260 and 119,540 is: 175,852.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,260 : 119,540 = 119,540 : x
  2. Step 2: Convert to fraction form
    81,260/119,540 = 119,540/x
  3. Step 3: Cross multiply
    81,260x = 119,540 × 119,540
  4. Step 4: Simplify right side
    81,260x = 14,289,811,600
  5. Step 5: Solve for x
    x = 14,289,811,600/81,260
  6. Step 6: Final answer
    x = 175,852.96

Related Problems

Find third proportional to 40,630 and 59,770
Half scale
Find third proportional to 162,520 and 239,080
Double scale
Find third proportional to 81,262 and 119,543
Similar ratio
Find third proportional to 121,890 and 179,310
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.