Home / 20,392-31,351

Finding the Third Proportional to 20,392 and 31,351

Calculator

Solution

The third proportional to 20,392 and 31,351 is: 48,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392 : 31,351 = 31,351 : x
  2. Step 2: Convert to fraction form
    20,392/31,351 = 31,351/x
  3. Step 3: Cross multiply
    20,392x = 31,351 × 31,351
  4. Step 4: Simplify right side
    20,392x = 982,885,201
  5. Step 5: Solve for x
    x = 982,885,201/20,392
  6. Step 6: Final answer
    x = 48,199.55

Related Problems

Find third proportional to 10,196 and 15,675.50
Half scale
Find third proportional to 40,784 and 62,702
Double scale
Find third proportional to 20,394 and 31,354
Similar ratio
Find third proportional to 30,588 and 47,026.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.