Home / 87,498-135,747

Finding the Third Proportional to 87,498 and 135,747

Calculator

Solution

The third proportional to 87,498 and 135,747 is: 210,601.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,498 : 135,747 = 135,747 : x
  2. Step 2: Convert to fraction form
    87,498/135,747 = 135,747/x
  3. Step 3: Cross multiply
    87,498x = 135,747 × 135,747
  4. Step 4: Simplify right side
    87,498x = 18,427,248,009
  5. Step 5: Solve for x
    x = 18,427,248,009/87,498
  6. Step 6: Final answer
    x = 210,601.93

Related Problems

Find third proportional to 43,749 and 67,873.50
Half scale
Find third proportional to 174,996 and 271,494
Double scale
Find third proportional to 87,500 and 135,750
Similar ratio
Find third proportional to 131,247 and 203,620.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.