Home / 18,580-40,432

Finding the Third Proportional to 18,580 and 40,432

Calculator

Solution

The third proportional to 18,580 and 40,432 is: 87,984.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580 : 40,432 = 40,432 : x
  2. Step 2: Convert to fraction form
    18,580/40,432 = 40,432/x
  3. Step 3: Cross multiply
    18,580x = 40,432 × 40,432
  4. Step 4: Simplify right side
    18,580x = 1,634,746,624
  5. Step 5: Solve for x
    x = 1,634,746,624/18,580
  6. Step 6: Final answer
    x = 87,984.21

Related Problems

Find third proportional to 9,290 and 20,216
Half scale
Find third proportional to 37,160 and 80,864
Double scale
Find third proportional to 18,582 and 40,436
Similar ratio
Find third proportional to 27,870 and 60,648
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.