Home / 18,637-40,430

Finding the Third Proportional to 18,637 and 40,430

Calculator

Solution

The third proportional to 18,637 and 40,430 is: 87,706.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637 : 40,430 = 40,430 : x
  2. Step 2: Convert to fraction form
    18,637/40,430 = 40,430/x
  3. Step 3: Cross multiply
    18,637x = 40,430 × 40,430
  4. Step 4: Simplify right side
    18,637x = 1,634,584,900
  5. Step 5: Solve for x
    x = 1,634,584,900/18,637
  6. Step 6: Final answer
    x = 87,706.44

Related Problems

Find third proportional to 9,318.50 and 20,215
Half scale
Find third proportional to 37,274 and 80,860
Double scale
Find third proportional to 18,639 and 40,434
Similar ratio
Find third proportional to 27,955.50 and 60,645
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.