Home / 87,900-130,206

Finding the Third Proportional to 87,900 and 130,206

Calculator

Solution

The third proportional to 87,900 and 130,206 is: 192,873.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,900 : 130,206 = 130,206 : x
  2. Step 2: Convert to fraction form
    87,900/130,206 = 130,206/x
  3. Step 3: Cross multiply
    87,900x = 130,206 × 130,206
  4. Step 4: Simplify right side
    87,900x = 16,953,602,436
  5. Step 5: Solve for x
    x = 16,953,602,436/87,900
  6. Step 6: Final answer
    x = 192,873.75

Related Problems

Find third proportional to 43,950 and 65,103
Half scale
Find third proportional to 175,800 and 260,412
Double scale
Find third proportional to 87,902 and 130,209
Similar ratio
Find third proportional to 131,850 and 195,309
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.