Home / 40,538-87,070

Finding the Third Proportional to 40,538 and 87,070

Calculator

Solution

The third proportional to 40,538 and 87,070 is: 187,014.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,538 : 87,070 = 87,070 : x
  2. Step 2: Convert to fraction form
    40,538/87,070 = 87,070/x
  3. Step 3: Cross multiply
    40,538x = 87,070 × 87,070
  4. Step 4: Simplify right side
    40,538x = 7,581,184,900
  5. Step 5: Solve for x
    x = 7,581,184,900/40,538
  6. Step 6: Final answer
    x = 187,014.28

Related Problems

Find third proportional to 20,269 and 43,535
Half scale
Find third proportional to 81,076 and 174,140
Double scale
Find third proportional to 40,540 and 87,074
Similar ratio
Find third proportional to 60,807 and 130,605
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.